Create a program A retail price for each basket ball is $1.99/each. You have to write a program to figure it out the final bill for each customer after discount (if applicable) + Customers buy less than 10 balls, there will be no discount. + Customers buy >= 10 and less than 20 balls, there will be 10% discount. + Customers buy >= 20 and less than 30 balls, there will be 20% discount. + Customers buy >= 30 and less than 40 balls, there will be 30% discount. + Customers buy >= 40 balls and less than 50 balls, there will be 40% discount. + Customers buy >=50 balls, there will be 50% discount.