A software company sells three packages, Package A, Package B, and Package C,which retail for $99, $199, and $299, respectively. Quantity discounts are given ac-cording to the following table: Create an application that allows the user to enter the number of units sold for each software package. The application's form should resemble Figure 4-37. The application should calculate and display the order amounts and the grand total in a Label control. The Clear button must clear all text boxes and calculated labels.The Exit button must close the window. Input validation: Make sure the number of units for each package is numeric, and is not negative.Use the following test data to determine if the application is calculating properly:

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A software company sells three packages, Package A, Package B, and Package C,which retail for $99, $199, and $299, respectively. Quantity discounts are given ac-cording to the following table: Create an application that allows the user to enter the number of units sold for each software package. The application's fo