Dunbar Manufacturing's variable costs are 30% of sales. The company is contemplating an advertising campaign that will cost $55,000. If sales are expected to increase $100,000, by how much will the company's net income increase? a. $45,000 b. $70,000 c. $30,000 d. $15,000 AIDAD D E ANDALAR . . . . . .. . . .. 113. Boswell company reported the following information for the current year: Sales (50,000 units) $1,000,000, direct materials and direct labor $500,000, other variable costs $50,000, and fixed costs $360,000. What is Boswell's break-even point in units? a. 32,728. b. 40,000. c. 51,112. d. 56,250