Help with this Java task!

This program is to assist the sales manager to review quotation details.

On start up, only the Load button is enabled for the user to load the quotation items from a text file. This is how the pop-up should look like:

\fQuotation Management X Code Message X Quantity No quotation record Price OK Discount Total Load Prev Next\fQuotation Management X Code p2 Quantity 50 Price 70.5 Discount 0.1 Total 3172.5 Load Prev NextQuotation Management - X Code p4 Quantity 30 Price 10.0 Discount 0.05 Total 285.0 Load Prev Nextclass Quotationltem code quanty Instance variables price discount You may declare additional variable(s) as you deem fit. The constructor will receive 4 parameters and initialize the instance variables accordingly. Get/set methods Please include necessary get and set methods. getTota l Instance method Parameters: None Returns: the total (quantity x price) the discounted amount. Constructor toString Instance method Parameters: None Returns: A descriptive String