Visual Basic Assignments Chapter 6. Programming Challenge 1: Retail Price Calculator. Page 420/421 Write an application that accepts from the user the wholesale cost of an item and its markup...

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This is done in Visual Basic, using Microsoft Visual Studio Community Version.

Extracted text: Visual Basic Assignments Chapter 6. Programming Challenge 1: Retail Price Calculator. Page 420/421 Write an application that accepts from the user the wholesale cost of an item and its markup percentage. (For example, if an item's wholesale cost is $5 and its retail price is $10, then the markup is 100%.) The program should contain a function named CalculateRetail that receives the wholesale cost and markup percentage as arguments, and returns the retail price of the item. The application's form should look something like the one shown in Figure 6-22. Figure 6-22 Retail Price Calculator form Retail Price Calculator Wholesale Cost of item 100.00 Markup % 50 Retail Price $150.00 Get Retail Exit When the user clicks the Get Retail button, the program should do the following: Verify that the values entered by the user for the wholesale cost and the markup percent are numeric and not negative Call the CalculateRetail function Display the retail cost as returned from the function