For some reason this prog is giving me some weird numbers in the final result, such as: "$-965465464560000.0000" and so forth. I've gone through it a million times and cant seem to figure out why its giving these results......could you help me please? its kind of long but bare with me.

Code:#include <iostream> #include <iomanip> using namespace std; //file prototypes---------------- int days_on_trip(); int time_of_departure_arrival(); void airfare (double&, double&); void car_rental(double&, double&); void miles_driven(double&, double&); void parking(int, double&, double&, double&); void taxi(int, double&, double&, double&); void conference(double&, double&); void hotel_ex(int, double&, double&, double&); void meals(int, double, double, double&, double&, double&); void resultDisplay(int, double&, double&, double&); //------------------------------- int main() { int days; int time_dep; //time departed int time_arr; //time arrived double costTotal, alwnceTotal, alwnceBelow = 0; days = days_on_trip(); time_dep = time_of_departure_arrival(); time_arr = time_dep; // = time_of_departure_arrival(); //time_of_departure_arrival();//call time of arrival/departure airfare(costTotal, alwnceTotal); car_rental(costTotal, alwnceTotal); miles_driven(costTotal, alwnceTotal); parking(days, costTotal, alwnceTotal, alwnceTotal); taxi(days, costTotal, alwnceTotal, alwnceTotal); conference(costTotal, alwnceTotal); hotel_ex(days, costTotal, alwnceTotal, alwnceBelow); meals(days, time_dep, time_arr, alwnceTotal, costTotal, alwnceBelow); resultDisplay(days, costTotal, alwnceTotal, alwnceBelow); return 0; } //-------------------------------------------------------------------------------------------------------- //function call - total # of days spent on trip int days_on_trip() { int day; cout << "How many days were spent during the trip: "; cin >> day; while(day <= 0) { cout << "Invalid Input, you must have spent at least one day on the trip.\n"; cout << "How many days were spent during the trip: "; cin >> day; cout << endl; } return day; } //---------------------------------------------------------------------------------------------- int time_of_departure_arrival() { int time_dep1; int dep1; int time_arr1; int arr1; cout << "Enter the time of departure for first day of trip in 24-hour time (HH.MM): "; cin >> time_dep1; cout << "\nEnter the time of arrival home on last day of trip in 24-hour time (HH.MM): "; cin >> time_arr1; while(time_dep1 < 0000 || time_arr1 < 0000 || time_dep1 > 2400 || time_arr1 > 2400 || time_dep1%100 > 60 || time_arr1%100 > 60) { cout << "Invalid inputs, make sure inputs are possitve and correctly formatted.\n"; cout << "Enter time of departre for first day of trip in 24-hour time (HH.MM): "; cin >> time_dep1; cout << "\nEnter the time of arrival home on last day of trip in 24-hour time (HH.MM): "; cin >> time_arr1; cout << endl; } arr1 = time_arr1 / 100; dep1 = time_dep1 / 100; return time_dep1; return time_arr1; } //-------------------------------------------------------- //rnd-trip airfare void airfare (double& exp, double& alwd) { double airfare; cout << "What was your total expenses of airfare: $"; cin >> airfare; while (airfare < 0) { cout << "Invalid input of a negative.\n"; cout << "What was your total expenses of airfare: $"; cin >> airfare; cout << endl; } exp+=airfare; alwd+=airfare; } //-------------------------------------------------------------------------------------------------------------------------- //car_rental void car_rental(double& exp, double& alwd) { double cost; cout << "Enter the cost for car rentals: $"; cin >> cost; cout << endl; while(cost < 0) { cout << "Invalid input, enter a postitve value or zero.\n"; cout << "Enter the cost for car rentals: $"; cin >> cost; } exp+=cost; alwd+=cost; } //------------------------------------------------------------------------------------------- void miles_driven(double& exp, double& alwd) { double expense; double miles, fee; char choice; cout << "Was a private car used to drive? Enter Y/N: "; cin >> choice; while((choice != 'y') && (choice != 'Y') && (choice!= 'N') && (choice != 'n')) { cout << "Invalid Input, enter Y/N: "; cin >> choice; cout << endl; } if((choice == 'N') || (choice == 'n')) { expense = 0; } if((choice == 'Y') || (choice == 'y')) { cout << "Enter miles driven: "; cin >> miles; while(miles < 0) { cout << "Invalid negative input\n"; cout << "Enter miles driven: "; cin >> miles; } fee = miles * 0.27f; exp+=fee; alwd+=fee; } } // parking------------------------------------------------------------------------------------------------------------------------------------------------- void parking(int days, double& exp, double& alwd, double& collected) { double parkExp; // amount of money used for parking const double park_spendLimit = 6.00; for (int counter = 1; counter <= days; counter++) { cout << "For parking, how much did you spend on day " << counter << "? "; cin >> parkExp; while(parkExp < 0) { cout << "Invalid negative number input. Re-enter amount: "; cin >> parkExp; } if (parkExp >= park_spendLimit) { exp+=parkExp; alwd+=park_spendLimit; } if (parkExp < park_spendLimit) { alwd+=parkExp; exp+=parkExp; collected+= (park_spendLimit - parkExp); } } } // Taxi-------------------------------------------------------------------------------------------------------------------------------------------------------- void taxi (int days, double& exp, double& alwd, double& collected) { char T_use; double taxiMoney; // amount of money used on taxis const double taxi_spendLimit = 10.00; cout<<"Did you use a taxi while on the trip? Press y for yes and n for no."<<endl; cin>>T_use; while((T_use != 'y') && (T_use != 'Y') && (T_use!= 'N') && (T_use != 'n')) { cout << "Invalid Input, enter Y/N: "; cin >> T_use; cout << endl; } if (T_use == 'y' || T_use == 'Y') { for (int counter = 1; counter <= days; counter++) { cout << "For the taxi, how much did you spend on day " << counter << "? "; cin >> taxiMoney; while(taxiMoney < 0) { cout << "No negative numbers allowed! Re-enter the amount: "; cin >> taxiMoney; } if (taxiMoney >= taxi_spendLimit) { exp+=taxiMoney; alwd+=taxi_spendLimit; } if (taxiMoney < taxi_spendLimit) { alwd+=taxiMoney; exp+=taxiMoney; collected+= (taxi_spendLimit - taxiMoney); } } } else if (T_use == 'n' || T_use == 'N') taxiMoney = 0; } // conference ------------------------------------------------------------------------------------------------------------------------------------------ void conference(double& exp, double& alwd) { double conf; cout<<"What were the conference fees for the trip?"<<endl; cin>> conf; while(conf < 0) { cout << "Invalid negative input\n"; cout << "Enter total for conference fees: "; cin >> conf; cout << endl; } exp+=conf; alwd+=conf; } //------------------------------------------------------------------------------- void hotel_ex(int days, double& exp, double& alwd, double& collected) { int hotel_night = days - 1; double hotel_fee; const double spendLimit = 90.00; for (int counter = 1; counter <= hotel_night; counter++) { cout << "For the hotel, how much did you spend on night " << counter << "? "; cin >> hotel_fee; while(hotel_fee < 0) { cout << "Invalid negative input! Please re-enter the amount: "; cin >> hotel_fee; cout << endl; } if (hotel_fee >= spendLimit) { exp+=hotel_fee; alwd+=spendLimit; } if (hotel_fee < spendLimit) { alwd+=hotel_fee; exp+=hotel_fee; collected+=(spendLimit - hotel_fee); } } } //----------------------------------------------------------------------------------------------------------------------------------- //meals void meals(int days1, double time_dep, double time_arr, double& alwd, double& exp, double& collected) { int count = 1; double spentTotal = 0; double lunch, brkfst, dnr; while (count <= days1) { //1stday if (count == 1) { if (time_dep < 7) { //breakfast cout << "how much did your breakfast cost on day " << count << ":"; cin >> brkfst; while(brkfst < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> brkfst; } if (brkfst >= 9) { exp+=brkfst; alwd+=9; } if (brkfst < 9) { alwd+=brkfst; exp+=brkfst; collected+=(9 - brkfst); } //lunch cout << "how much did your lunch cost on day " << count << ":"; cin >> lunch; while(lunch < 0) { cout << "No negative numbers allowed. Re-enter the amount:"; cin >> lunch; } if (lunch >= 12) { exp+=lunch; alwd+=12; } if (lunch < 12) { alwd+=lunch; exp+=lunch; collected+=(9 - lunch); } //dinner cout << "how much did your dinner cost on day " << count << ": "; cin >> dnr; while(dnr < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> dnr; } if (dnr >= 16) { exp+=dnr; alwd+=16; } if (dnr < 16) { alwd+=dnr; exp+=dnr; collected+=(16 - dnr); } count++; } else if ( time_dep < 12 ) { //lunch cout << "how much did your lunch cost on day" << count << ": "; cin >> lunch; while(lunch < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> lunch; } if (lunch >= 12) { exp+=lunch; alwd+=12; } if (lunch < 12) { alwd+=lunch; exp+=lunch; collected+=(9 - lunch); } //dinner cout << "how much did your dinner cost on day" << count << ": "; cin >> dnr; while(dnr < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> dnr; } if ( dnr >= 16) { exp+=dnr; alwd+=16; } if ( dnr < 16) { alwd+=dnr; exp+=dnr; collected+=(16 - dnr); } count++; } else if ( time_dep < 18 ) { //dinner cout << " how much did your dinner cost on day " << count << ": "; cin >> dnr; while( dnr < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> dnr; } if ( dnr >= 16) { exp+=dnr; alwd+=16; } if ( dnr < 16) { alwd+=dnr; exp+=dnr; collected+=(16 - dnr); } count++; } } if (count != 1 || count != days1) //adding the meals { //1 day rule if( days1== 1 ) break; //breakfast cout << "how much did your breakfast cost on day " << count << ": "; cin >> brkfst; while( brkfst < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> brkfst; } if ( brkfst >= 9) { exp+=brkfst; alwd+=9; } if ( brkfst < 9) { alwd+=brkfst; exp+=brkfst; collected+=(9 - brkfst); } //lunch cout << "how much did your lunch cost on day" << count << ": "; cin >> lunch; while(lunch < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> lunch; } if (lunch >= 12) { exp+=lunch; alwd+=12; } if (lunch < 12) { alwd+=lunch; exp+=lunch; collected+=(9 - lunch); } //dinner cout << " how much did your dinner cost on day " << count << ": "; cin >> dnr; while( dnr < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> dnr; } if ( dnr >= 16) { exp+=dnr; alwd+=16; } if ( dnr < 16) { alwd+=dnr; exp+=dnr; collected+=(16 - dnr); } count++; } if (count == days1) //last day rule { if ( time_arr> 19 ) { //breakfast cout << " how much did your breakfast cost on day " << count << ": "; cin >> brkfst; while( brkfst < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> brkfst; } if ( brkfst >= 9) { exp+=brkfst; alwd+=9; } if ( brkfst < 9) { alwd+=brkfst; exp+=brkfst; collected+=(9 - brkfst); } //lunch cout << " how much did your lunch cost on day " << count << ": "; cin >> lunch; while(lunch < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> lunch; } if (lunch >= 12) { exp+=lunch; alwd+=12; } if (lunch < 12) { alwd+=lunch; exp+=lunch; collected+=(9 - lunch); } //dinner cout << "how much did your dinner cost on day " << count << ": "; cin >> dnr; while(dnr < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> dnr; } if (dnr >= 16) { exp+=dnr; alwd+=16; } if (dnr < 16) { alwd+=dnr; exp+=dnr; collected+=(16 - dnr); } count++; } else if ( time_arr > 13 ) { //breakfast cout << " how much did your breakfast cost on day " << count << ": "; cin >> brkfst; while( brkfst < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> brkfst; } if ( brkfst >= 9) { exp+=brkfst; alwd+=9; } if ( brkfst < 9) { alwd+=brkfst; exp+=brkfst; collected+=(9 - brkfst); } //lunch cout << " how much did your lunch cost on day " << count << ": "; cin >> lunch; while(lunch < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> lunch; } if (lunch >= 12) { exp+=lunch; alwd+=12; } if (lunch < 12) { alwd+=lunch; exp+=lunch; collected+=(9 - lunch); } count++; } else if ( time_arr > 8 ) { //breakfast cout << " how much did your breakfast cost on day " << count << ": "; cin >> brkfst; while( brkfst < 0) { cout << "No negative numbers allowed. Re-enter the amount: "; cin >> brkfst; } if ( brkfst >= 9) { exp+=brkfst; alwd+=9; } if ( brkfst < 9) { alwd+=brkfst; exp+=brkfst; collected+=(9 - brkfst); } count++; } } } } //--------------------------------------------------------------------------------- //display void resultDisplay(int days, double& ttl, double& alwd, double& collected) { double owed; cout << setprecision(2) << fixed << endl; cout << "--------------------------------------------------\n\n"; cout << "The results for the " << days << " day trip:\n"; cout << "Total cost of the trip is $" << ttl << endl; cout << "--------------------------------------------------\n\n"; cout << setprecision(2) << fixed << endl; cout << "Total allowance for the trip is $" << alwd << endl; //total allowance if(ttl > alwd) //you owe the company { owed = ttl - alwd; cout << "Total expense is beyond the amount allowed," << endl; cout << setprecision(2) << fixed << showpoint << endl; cout << "so you owe the company $" << owed << endl; } else if (ttl == alwd) { cout << "you dont owe anything.\n\n"; if (collected > 0) cout << "Because you remained under the daily allowance," << endl; cout << setprecision(2) << fixed << showpoint << endl; cout << "you saved the company $" << collected << endl; cout << "--------------------------------------------------------------\n\n"; } else cout << "ERROR!!!\n"; }