Write a program that uses the Purchase class in Listing to set the following prices:Orange...

Write a program that uses the Purchase class in Listing to set the following prices:

Oranges: 10 for $2.99

Eggs: 12 for $1.69

Apples: 3 for $1.00

Watermelons: $4.39 each

Bagels: 6 for $3.50

Then calculate the cost of each of the following five items and the total bill:

2 dozen oranges

3 dozen eggs

20 apples

2 watermelons

1 dozen bagels.