Sales (4,000 units) $120,000 Less variable expenses (68,000) Contribution margin 52,000 Less fixed expenses (40,000) Net income $12,000 Gilley Inc....

Sales (4,000 units) $120,000 Less variable expenses (68,000) Contribution margin 52,000 Less fixed expenses (40,000) Net income $12,000 Gilley Inc. sells a single product. The company's most recent income statement is given above. Required: a. Contribution margin per unit is: $ ________ per unitb. If 10 more units are sold, profits will increase by: $ ________ c. Compute how many units must be sold to break even. # ________ d. Compute how many units must be sold to achieve profits of $20,000. # ________