17. Open theMason Solution (Mason Solution.sln) file contained in the VB2012\Chap03\Mason Solution folder. If necessary, open the designer window. The application should calculate the projected sales for each sales region.

a. Open the Code Editor window. In the General Declarations section, enter your name, the current date, and the three Option statements. Use variables and the TryParse method to code the Calculate button. Use the Format function to display the calculated results using the Standard format style.

b. Save the solution and then start the application. Test the application using the following valid sales and increase percentage amounts. The percentage amounts are shown in decimal form.

Region 1 sales and percentage: 150000, .15 Region 2 sales and percentage: 175500, .12 Region 3 sales and percentage: 100300, .11

c. Test the application without entering any data. Also test it using letters as the sales and percentage amounts.

d. Close the Code Editor window and then close the solution.