I really need someones help in writing a program. It consists of having a user input monthly sales for twelve months. I have to write four functions. First, I have to write a functions that gets the monthly sales. Second, I have to write a function that calculates all monthly sales. Third, I have to return a lowest monthly sale. Fourth, I have to return the highest monthly sale. For the first function, if someone inputs a value of zero it is supposed to return a error message.
I NEED SOME HELP BY TODAY>>IT IS DUE BY 5pm ....I appreciate anyone's efforts...Thanks