Problem 18-1AContribution margin income statement and contribution margin ratio LO A1 The following costs result from the production and sale of 4,100 drum sets manufactured by Tight Drums Company December 31, 2017. The drum sets sell for $260 each. The company has a 35% income tax rate. for the year ended Variable production costs Plastic for casing Mages of assenbly workers Drum stands Variable selling costs Sales commissions. Fixed manufacturing costs axes on factory actory saintenance actory nachinery depreciation selling and adeinistrative cests ease of equlpment for sales staff Accounting staff salaries Adeinistrative management salaries $ 77,900 344,400 114,800 69,780- 11,000 22,000 82,000 22,000 72.000 152,0 Required: 1, Prepare a contribution margin income statement for the company 2. Compute Its contribution margin per unit and its contribution margin ratio Complete this question by entering your answers in the tabs below Required t Required 2