Solve in C language ( using if else)

Q1. The Students' Corner Store in a university needs a program to implement its students' discount policy. The program is to prompt the user to enter the purchase total and to indicate whether the purchaser is a student. Students are eligible to receive a 20% discount on all their purchases. The discount calculation, however, must be done before addition of the 5% sales tax. This is done to ensure that the discount is not applied to the sales tax. Here are two sample output files - one for a student purchaser and one for a nonstudent purchaser. Total purchases: $ 122.00 Student's discount (20%:: 24.40 Discounted total: 97.60 Sales tax (5%): $ 102.48 Total purchases: $ 24.90 Sales Tax (5%): 1.25 Total: $ 26.15