PROBLEM SET B The res company has a 25 % tollowing costs result from the production and sale of 12,000 CD sets manufactured by oG Company for the year ended December 31, 2017 The CD sets sell for $18 each. The Problem 18-1B Contribution margin Income statement and contribution margin ratio A1 income tax rate. Varlable manufacturing costs Plastic for CD sets. 3,000 abeling.. Variable selling costs 6,000 Flxed manufacturing costs 6,750 4,520 20,000 Factory cleaning service Factory machinery depreclation Flixed selling and administrative costs 1,050 15,000 Lease of office equipment. Systems staf salaries Administrative management salaries Required 1. Prepare a contribution margin income statement for the company. 2. Compute its contribution margin per unit and its contribution margin ratio. Analysis Component 3. Interpret the contribution margin and contribution margin ratio from part 2 Check $6,135 (1) Net income