1) A software company sells a package that retails for $99. Quantity discounts are given according to the following table:
Quantity Discount
10-19 20%
20-49 30%
50-99 40%
100 or more 50%
Write a program that asks for the number of units sold and computes the total cost of the purchase.
Input Validation: Make sure the number of units is greater than 0.
2) A bank charges $10 per month plus the following check fees for a commercial checking account:
$.10 each for fewer than 20 checks
$.08 each for 20-39 checks
$.06 each for 40-59 checks
$.04 each for 60 or more checks
Write a program that asks for the number of checks written durign the past month, then computes an displays the bank's fees for the month.