Software Sale

A software company sells a package that retails for $99. Quality discounts are given according to the following table:

Quantity	Discount
10-19	10%
20-49	20%
50-99	30%
100 or more	40%

Write a program that asks the user to enter the number of packages purchased. The program should the display the amount of the discount (if any) and the total amount of the purchase after the discount.

All the numbers have to be rounded to two decimal places as shown below.

Sample run:

Enter the number of packages purchased: 10

Discount Amount: $ 99.00

Total Amount: $ 891.00

Enter the number of packages purchased: 20

Discount Amount: $ 396.00

Total Amount: $ 1584.00

Enter the number of packages purchased: 50

Discount Amount: $ 1485.00

Total Amount: $ 3465.00

Enter the number of packages purchased: 100

Discount Amount: $ 3960.00

Total Amount: $ 5940.00

Please Write it in programming C language and explain what we are doing in each step.