$1.$ Write a program for Bugz App software company that sells a software package as follows.

a$.$ The retail price of the package is $$99$

b$.$ The program must allow the user to enter the customer$$s name and number of units

purchased, and output the original cost of the units purchased, the percentage discount

given, the dollar amount of the discount given, and the final cost after discount.

c$.$ Quantity discounts are given on purchases of $10$ or more units as follows

i$.$ If the customer purchases up to $19$ units, they receive a discount of $20\%$

ii$.20$ to $49$ units $$ discount of $30\%$

iii. $50$ to $99$ units $$ discount of $40\%$

iv$.100$ or more units $$ discount of $50\%$