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Q1: A software company sells three packages, Package A, Package B, and Package C, which retail for $99, $199, and $299, respectively

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Q1: 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: Quantity Discount 10 through 19 20% 20 through 49 30% 50 through 99 40% 100 or more 50% 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. 
Figure 4 37 Software Soles form 
Waite Sold Pednage A 15 lac,* B Parin,etC 120 
PledWolk trustI Pad,*B 1.13. 00 Pack., $17 94000 
Omni lad S280(13 CD 
x Ex 
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: 
Units Sold Amount of Order Package A: 15 units Package A: $1,188.00 Package II: 75 units Package B: $8,955.00 Package C: 120 units Package C: $17,940.00 Grand Total: $28,083.00 
Question 2 
Create an application that allows a teacher to enter three test scores each for three students. The application should calculate cach student's average test score and as-sign a letter grade based on the following grading scale: Average Test Score Letter Grade 90 or greater A 80 through 89 70 through 79 C 60 through 69 13 Below 60 The application should prompt the user for each student's name and three test scores. Figure 5.54 shows an example of how the application's form might appear after all the data has been entered. 
Figure 5-54 Grade Report form