Develop an application that will enable a small business owner to generate invoices for daily sales. For this application, you will only
keep track of three invoices. Each invoice will have a product description, a unit price, a quantity purchased, and an invoice number.
Each invoice will have printed a summary of the invoice total and taxes paid, and the current date and time. The invoice must be
esthetically pleasing – design a layout and use your favorite technique in order to obtain formatting (i.e. printf(), DecimalFormat(), or