The following costs result from the production and sale of 4,950 drum sets manufactured by Tight Drums Company for the year ended December 31, 2019. The drum sets sell for $345 each. The company has a 40% income tax rate. $ 17,200 499.950 222,750 168, 100 Variable production costs Plastic for Casing Wages of asbly workers De stands Variable selling costs Sales commissions Fixed manufacturing costs Taxes on factory Factory maintenance Factory machinery depreciation Fixed selling and sinistrative casts Lease of equipment for Sale star Accounting staff salaries Administrative management salaries 5,500 71,000 11,000 141,000 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 cower fixed costs and contribute to operating income? Complete this question by entering your answers in the tabs below. Required 1 Regned Required 3 Prenare a contribution margininene stalent for the var