MSI's educational products are currently sold without any supplemental materials. The company is considering the inclusion of instructional materials such as an overhead slide presentation, potential test questions, and classroom bulletin board materials for teachers. A summary of the expected costs and revenues for MSI's two options follows: CD Only 25.000 units $ 21.00 CD with Instructional Materials 25,000 units $ 36.00 Estimated demand Estimated sales price Estimated cost per unit Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Unit manufacturing cost Additional development cost $ 1.75 3.00 3.00 2.50 $ 10.25 $ 2.25 6.00 6.25 2.50 $ 17.00 $105,000 Required: 1. Based on the given data, Compute the increase or decrease in profit that would result if instructional materials were added to the CDs. CD Only CD with Instructions Materials s Incremental Sales Revenue Variable Costs Contribution Margin Additional Development Costs Differential Profit (Loss) 2. Should MSI add the instructional materials or sell the CDs without them? Add the Instructional Materials Sell the CDs without Instructional Materials 3-a. Suppose that the higher price of the CDs with instructional materials is expected to reduce demand to 20,000 units. Complete the table given below based on Requirement 1 and 2 data. CD Only CD with Instructions Materials Incremental Sales Revenue Variable Costs Contribution Margin Additional Development Costs Differential Profit (Loss) 3-b. Should MSI add the instructional materials or sell the CDs without them? Sell the CDs without Instructional Materials Add the Instructional Materials