I need help calculating the pretax income, income tax, and net income

The following costs result from the production and sale of 4,450 drum sets manufactured by Tight Drums Company for the year ended December 31, 2015. The drum sets sell for $295 each. The company has a 30% income tax rate. $115,700 404,950 155,750 Variable production costs Plastic for casing Wages of assembly workers ers 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 106,800 Sa 14,500 29,000 89,000 290 29,000 Accounting staff salaries Administrative management salaries 79,000 159.000 Required: 1. Prepare a contribution margin income statement for the company. TIGHT DRUMS COMPANY Contribution Margin Income Statement For Year Ended December 31, 2015 Sales $ 1,312,750 Variable costs: Plastic for casing 115,700 Wages of assembly workers 404,950 Drum stands MATARAMETER 155,750|| Sales commissions 106,800 ices 783.200 529,550 Total variable costs Contribution margin Fixed costs | Taxes on factory Factory maintenance Factory machinery depreciation | Lease of equipment for sales staff 14,500 29,000 89,000 29.000 Eyyu www 2 Lease of equipment for sales staff Accounting staff salaries Administrative management salaries 9,000 79,000 159,000 399,500 Total fixed costs Pretax income Income tax Net income 2. 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, 2015 Per Unit