Question 3 [10 Marks) A. Enter the following information in MS Excel (add a new sheet/worksheet): Number of Units sold Retail Price Selling Discount Sales Revenue 800 $25.00 10% $18000 Sales Revenue = number of units sold multiplied by retail price less 10% discount. You are required to enter a formula in the cell for sales revenue (dollar amount). Now suppose you want to find out how many units must be sold to reach $32,000 sales revenue. Use appropriate analysis function in MS Excel to complete this task. Copy your screen with the analysis formula you are using to complete this task and paste it in a new worksheet. (On your keyboard: press Shift with print screen >> go to new worksheet and paste) the objective over here is to assess the steps you have followed to complete this task. B. Suppose you have four assessments in your course. You scored 80% in first assessment, 70% in the second assessment, and 68% in the third assessment. The final grade is based on average marks of the four assessments. How much you must score in the fourth assessment to achieve a final grade of 75%? Input the data in MS Excel and use appropriate analysis function to complete this task. (Use the same worksheet that you created for this question). Copy your screen with the analysis formula you are using to complete this task and paste it in a new worksheet. (On your keyboard: press Shift with print screen >> go to new worksheet and paste)