*undefined reference to calculate_gross* in redCode:#include <stdio.h> float ot_pay(int, float[], float[]); float calculate_gross(int, int, float[], float[], float[]); main() { /*Variables*/ int employees, x; float hours[30], rate[30], fed_tax[10], net_pay[10], overtime[10]; struct info { char first[30], last[30]; }; struct info name[100]; printf ("*****WELCOME TO THE PAYROLL CALCULATOR*****\n\n"); for (x = 1; x <=1; ++x) /*Loop1 - Get Number of Employees*/ { printf("Please enter # of employees(1-10): "); scanf("%i",&employees); if (employees > 10) { printf ("Invalid Entry\n"); --x; } if (employees < 1) { printf ("Invalid Entry\n"); --x; } } for (x = 1; x <=employees; ++x) /*Loop 2 - Get info for employees*/ { printf ("\nEnter first and last name of employee #%i: ",x); scanf("%s %s",name[x].first, name[x].last); printf("Enter pay rate for employee #%i: ",x); scanf("%f", &rate[x]); printf("Enter hours worked for employee #%i: ",x); scanf("%f", &hours[x]); if (hours[x]<=0) { printf ("Invalid Entry\n"); --x; } else if(rate[x]<=0) {printf ("Invalid Entry\n"); --x; } if(hours[x] > 40) {ot_pay(x, hours, rate); /*Call OT function if necessary*/ } } calculate_gross(x, employees, hours, rate, overtime); } float ot_pay(int x,float hours[],float rate[]) { float overtime[10]; overtime[x] = (hours[x]-40)*rate[x]*1.5; printf("OT $%.2f\n\n",overtime[x]); return overtime[x]; } float calcualte_gross(int x, int employees, float hours[], float rate[], float overtime[]) { for (x = 1; x <= employees; ++x) { float gross_pay[30]; gross_pay[x]=hours[x]*rate[x]+overtime[x]/3; return gross_pay[x]; } }

Dont know why this is not working. Any advice???