Ritchie Manufacturing Company makes a product that it sells for $160 per unit. The company incurs variable manufacturing costs of $70 per unit. Variable selling expenses are $18 per unit, annual fixed manufacturing costs are $496,000, and fixed selling and administrative costs are $274,400 per year. Required Determine the break-even point in units and dollars using each of the following approaches: a. Use the equation method. b. Use the contribution margin per unit approach. c. Use the contribution margin ratio approach. d. Prepare a contribution margin income statement for the break-even sales volume. Complete this question by entering your answers in the tabs below. Determine the break-even point in units and dollars using the equation method, the contribution margin per unit approach and the contribution margin ratio approach. Ritchie Manufacturing Company makes a product that it selis for $160 per unit. The company incurs variable manufacturing $70 per unit. Variable selling expenses are $18 per unit, annual fixed manufacturing costs are $496,000, and fixed selling an administrative costs are $274,400 per year. Required Determine the break-even point in units and dollars using each of the following approaches: a. Use the equation method. b. Use the contribution margin perr unit approach. c. Use the contribution margin ratio approach. d. Prepare a contribution margin income statement for the break-even sales volume. Complete this question by entering your answers in the tabs below. Prepare a contribution margin income statement for the break-even sales volume