using Java I need the UML and pseudocode

In this lab, using Object Oriented programming to write the code of an application for a Convenience Store to print out the receipt for each transaction sale in the following format: Date: 04/22/2016 Transaction ID: Item Id: Number of items sold: Unit price: Subtotal: Sale tax(8.25%) Total: 12 12.5 150.0 12.4 162.4 Amount paid: Balance: 200.0 -37.6 Receipt holds the information of transaction id, item id, item price, the number of items sole, the money the customer pays and these information are entered from the keyboard. Also, for the receipt, using the following formulas to calculate the subtotal, sale tax and total: Subtotal item price * number of items Sale tax subtotal * 8.25% Total subtotalsale tax Balance = amount paid-total