The following costs result from the production and sale of 2,000 violins manufactured by Brown Company for the year ended December 31. The violins sell for $1,000 each. Variable costs Fixed costs Wood for violins $ 68,000 Taxes on factory $ 20,000 Wages of assembly workers Packaging 328,000 104,000 Factory maintenance 40,000 Factory machinery depreciation 160,000 Sales commissions 60,000 Lease of sales equipment 40,000 Accounting staff salaries 140,000 Administrative salaries 500,000 Required: (a) Prepare a contribution margin income statement for the year. (b) Compute contribution margin per unit and contribution margin ratio. (c) For each dollar of sales, how much is left to cover fixed costs and contribute to income?