Determining the break-even point and preparing a contribution margin income statement Inman Manufacturing Company makes a product that it sells for $60 per unit. The company incurs variable manufacturing costs of $24 per unit. Variable selling expenses are $12 per unit, annual fixed manufacturing costs are $189,000, and fixed selling and administrative costs are $141,000 per year. 

Required

Determine the break-even point in units and dollars using each of the following approaches: 

a. Equation method. 

b. contribution margin per unit. 

c. contribution margin ratio. 

d. Confirm your results by preparing a contribution margin income statement for the breakeven sales volume.