Topper Sports, Incorporated, produces high-quality sports equipment. The company's Racket Division manufactures three tennis rackets-the Standard, the Deluxe, and the Pro-that are widely used in amateur play. Selected information on the rackets is given below: All sales are made through the company's own retail outlets. The Racket Division has the following fixed costs: Sales, in units, over the past two months have been as follows: Required: 1-a. Prepare contribution format income statements for April. 1-b. Prepare contribution format income statements for May. 3. Compute the Racket Division's break-even point in dollar sales for April. 4. Would the break-even point be higher or lower with May's sales mix than with April's sales mix? 5. Assume that sales of the Standard racket increase by $20,000. What would be the effect on net operating income? What would be the effect if Pro racket sales increased by $20,000 ? Do not prepare income statements; use the Incremental analysis approach in determining your