Program Plan:
1.Program should contain menu- driven program.
2.One function shows the user how to use the program.
3.One function to sell coffee.
4.One function to show the number of cups of each size sold
5.One function to show the total amount of coffee sold.
6.One function to show the total profit of coffee sold.
Program:
Write a program that shows the user how to use the program and calculate power and square root of variables.