In this exercise, you code an application that displays a grade based on the number of points entered by the user. The grading scale is shown in Figure 20-17. Open the Carver Solution (Carver Solution.sln) file contained in the ClearlyVB2012Chap20Carver Solution folder. Open the designer and Code Editor windows. Store the minimum points and grades in a class-level array that has five rows and two columns. The btnDisplay_Click procedure should display the grade corresponding to the number of points entered by the user. Code the procedure. Save the solution and then start and test the application. Close the Code Editor window and then close the solution.