Write a C program to calculate salary raise for employees. (only using loops)

If salary is between

$ 0 < $ 30000 the rate is 7.0%

If salary is between

$ 30000 <= $ 40000 the rate is 5.5%

If salary is greater than

$ 40000 the rate is 4.0%

1. Let the user enter salary. Allow the user to enter as many salaries as the user wishes until

the user enters a negative salary to quit. User can also decides to quite immediately after

starting the program. Pick the proper loop.

2. Calculate the raise, new salary, total salary, total raise, and total new salary.