Open the VB2015\Chap05\Jetters Solution\Jetters Solution (Jetters Solution.sln) file. The txtPrice control should accept only numbers, the period, and the Backspace key; code the appropriate procedure. The txtQuantity control should accept only numbers and the Backspace key; code the appropriate procedure. Jetters now uses the discount rates shown below. Make the appropriate modifications to the btnCalc_Click procedure. Test the application appropriately.

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Quantity purchased Discount rate 0-10 11-15 2% 16-20 2.5% Over 20 3%