2. Walthman Industries Inc. employs seven salespersons to sell and distribute its product throughout the state. Data taken from reports received from the salespersons during the year ended December 31 are as follows: Salesperson Total Sales Boon Cat Doom Jarveson Munoz Scrupman Taito $592,000 620,000 616,000 586,000 588,000 603,000 610,000 Variable Cost of Goods Sold $281,280 221,760 310,000 272,320 305,760 241,200 286,400 Variable Selling Expenses $96,480 123,060 124,000 109,800 105,840 86,240 88,800 a. Prepare a table indicating contribution margin, variable cost of goods sold as a percent of sales, variable selling expenses as a percent of sales, and contribution margin ratio by salesperson. (Round whole percent to one digit after decimal point.) b. Which salesperson generated the highest contribution margin ratio for the year and why? Briefly list factors other than contribution margin that should be considered in evaluating the performance of salespersons. C