Complete this question by entering 1your answers in the tabs below. Required 1 Required 2 Required 3 Compute contribution margin per unit and contribution margin ratio. {Round Contribution margin ratio to nearest whole percentage.) Contribution margin per unit _' Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 For each dollar of sales, how much is left to cover xed costs and contribute to income? [Round your answer to 2 decimal places.) For each dollar of sales: how much is halt to cover xed costs and contribute to income?l The following costs result from the production and sale of4,400 drum sets manufactured by Tight Drums Company for the year ended December 31. The drum sets sell for $290 each. Variable costs Plastic for casing $ 116,666 wages of assembly workers 396,666 Drum stands 149,666 Sales commissions 161,266 Fixed costs Taxes on factory 14,666 Factory maintenance 28,666 Factory machinery depreciation 88,666 Lease of equipment for sales staff 28,666 Accounting staff salaries T8,666 Administrative salaries 158,666 Required: 1. Prepare a contribution margin income statement for the year. 2. Compute contribution margin per unit and contribution margin ratio. 3. For each dollar of sales. hOW much is left to cover fixed costs and contribute to income?