Problem 21-1A Contribution margin income statement and contribution margin ratio LO A1 The following costs result from the production and sale of 4,000 drum sets manufactured by Tight Drums Company for the year ended December 31, 2017. The drum sets sell for $250 each. The company has a 25% income tax rate. $ 68,000 328,000 104,000 60,000 Variable production costs Plastic for casing Wages of assembly workers Drum stands Variable selling costs Sales commissions Fixed manufacturing costs Taxes on factory Factory maintenance Factory machinery depreciation Fixed selling and administrative costs Lease of equipment for sales staff Accounting staff salaries Administrative management salaries 10,000 20,000 80,000 20,000 70,000 150,000 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 Required Prepare a contribution margin income statement for the company. TIGHT DRUMS COMPANY Contribution Margin Income Statement For Year Ended December 31, 2017 Sales Variable costs: Total variable costs Contribution margin Fixed costs Total fixed costs Required 1 Required 2 > Problem 21-1A Contribution margin income statement and contribution margin ratio LO A1 The following costs result from the production and sale of 4,000 drum sets manufactured by Tight Drums Company for the year ended December 31, 2017. The drum sets sell for $250 each. The company has a 25% income tax rate. $ 68,000 328,000 104,000 60,000 Variable production costs Plastic for casing Wages of assembly workers Drum stands Variable selling costs Sales commissions Fixed manufacturing costs Taxes on factory Factory maintenance Factory machinery depreciation Fixed selling and administrative costs Lease of equipment for sales staff Accounting staff salaries Administrative management salaries 10,000 20,000 80,000 20,000 70,000 150,000 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 Required Compute its contribution margin per unit and its contribution margin ratio. (Round Contribution margin ratio to nearest whole percentage.) TIGHT DRUMS COMPANY Contribution Margin Income Statement (partial) For Year Ended December 31, 2017 Per Unit Sales Variable costs: Total variable costs Contribution margin