Compute contribution margin per unit and contribution margin ratio. (Round Contribution margin ratio to nearest whole percentagey Prepare a contribution margin income statement for the year. TIGHT DRUMS COMPANY Contribution Margin Income Statement For Year Ended December 31 \begin{tabular}{|l|l|l|} \hline Sales & & \\ \hline Variable costs: & & \\ \hline & & \\ \hline & & \\ \hline Contribution margin & & \\ \hline Fixed costs & & \\ \hline & & \\ \hline & & \\ \hline & & \\ \hline & & \\ \hline \end{tabular} The following costs result from the production and sale of 4,250 drum sets manufactured by Tight Drums Company for the year ended December 31. The drum sets sell for \$275 each. Required: 1. Prepare a contribution matgin income statement for the year. 2. Compite 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? Complete this question by entering your answers in the tabs below. For each doliar of soles, how much is left to cover fixed costs and contribute to income? (Round your ariswer to 2 . decimal places.) For each dollar of sales, how much is left to cover fixed costs and contribute to income