Determining the break-even point and preparing a contribution margin income statement Problem317A Ritchie Manufacturing Company makes a product that it sells for $150 per unit. The compa incurs variable manufacturing costs of $60 per unit. Variable selling expenses are $18 per uni annual fixed manufacturing costs are $480.000, and fixed selling and administrative costs a Pany t, are $240,000 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