Need help with java programming please, application below:

A Java program to calculate and print a bill of sale based on the following:

• A shirt was purchased for $12.49 and was paid with a $20 bill.
• Assign variables for the purchase price and amount given to the clerk.
• Calculate taxes, (HST = 13%), total bill, and change.
• Output the entire bill showing purchased price, taxes, total, and change.