The following costs result from the production and sale of 4,450 drum sets manufactured by Tight Drums Company for the yea December 31, 2019. The drum sets sell for $295 each. The company has a 30% income tax rate. $115, 700 404,950 155, 750 106,800 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 14,500 29,000 89,000 29,000 79,000 159,000 Required: 1. Prepare a contribution margin income statement for the year. 2. Compute its contribution margin per unit and its contribution margin ratio. 3. For each dollar of sales, how much is left to cover fixed costs and contribute to operating income? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 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, 2019 Per Unit $ 295 Sales Variable costs: Plastic for casing 26 91 Wages of assembly workers Drum stands lolololo 35 Sales commissions 24 176 Total variable costs Contribution margin $ 119 Contribution Margin Ratio $ Sales 295 100% Variable costs 176 0% X Contribution margin $ 119 40%