Visual Basic:

The Donut Shoppe sells four varieties of doughnuts: Glazed ($1.05), Sugar ($1.05), Chocolate
($1.25), and Filled ($1.50). It also sells regular coffee ($1.50) and cappuccino ($2.75). The
store manager wants you to create an application that displays a customer's subtotal, 6%
sales tax, and total due. Create a Windows Forms application. Use the following names for the
project and solution, respectively: Donut Project and Donut Solution. Save the application in
the VB2017\Chap06 folder. Create the interface shown in Figure 6-57. When coding the
application, use one independent Sub procedure to determine the subtotal, which is the total
cost without the sales tax. Use a function to determine the sales tax. Use an event-handling
Sub procedure to clear the output. Save the solution and then start and test the application.