Help Save & Exit The following costs result from the production and sale of 4,500 drum sets manufactured by Tight Drums Company for the year ended December 31, 2019. The drum sets sell for $300 each. The company has a 35% income tax rate. $ 121,500 414.000 162,000 112,500 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 15,800 30,000 90,000 30,000 80,000 160,000 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? Seved Help Save & Exit Subm 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 Sales Variable costs: Total variable costs Contribution margin percentage.) TIGHT DRUMS COMPANY Contribution Margin Income Statement (partial) For Year Ended December 31, 2019 Per Unit Sales Variable costs Total variable costs Contribution margin