need help on these two problems

MSI's educational products currently are sold without any supplemental materials. The company is considering the nclusion of instructional materials such as an overhead slide presentation, potential test questions, and classroom oulletin board materials for teachers. A summary of the expected costs and revenues for MSI's two options follows: 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. 2. Should MSI add the instructional materials or sell the CDs without them? 3-a. Suppose that the higher price of the CDs with instructional materials is expected to reduce demand to 22,000 units. Complete the table given below based on this scenario. 3-b. Should MSI add the instructional materials or sell the CDs without them? Based on the given data, compute the increase or decrease in profit that would result if instruction the CDs. Suppose that the higher price of the CDs with instructional materials is expected to reduce demand to 22 , the table given below based on this scenario. Cordova manufactures three types of stained glass windows, cleverly named Products A, B, and C. Information about these products follows: Cordova currently is limited to 45,000 labor hours per month. Required: 1-a. Assuming an infinite demand for each of Cordova's products, determine contribution margin per direct labor hour for each product. 1-b. Which product would be Cordova's first choice to produce