Question: Create a GUI application where the user enters the wholesale cost of an item and its markup percentage into text fields. (For example, if an

Create a GUI application where the user enters the wholesale cost of an item and its markup percentage into text fields. (For example, if an item’s wholesale cost is $5 and its markup percentage is 100 percent, then its retail price is $10.) The application should have a button that displays the item’s retail price when clicked.

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