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 with CD Only 38,000 units Materials 38,000 units Estimated demand Estimated sales price Estimated cost per unit $33.00 $ 49.00 Direct materials Direct labor Variable manufacturing overhead Fixed man $ 6.25 8.50 8.50 9.00 $ 8.75 12.50 11.75 9.00 ufacturing overhead $3225 42.00 Unit manufacturing cost Additional development cost $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 D with Instr CD Only Incremental Sales Revenue ariable Costs Contribution Margin Additional Development Costs Differential Profit (Loss) 2. Should MSI add the instructional materials or sell the CDs without them? Sell the CDs without Instructional Materials Add the Instructional Materials 2. Should MSI add the instructional materials or sell the CDs without them? Sell the CDs without Instructional Materials O Add the 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 Incremental Materials 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? Add the Instructional Materials Sell the CDs without Instructional Materials