Differential Analysis for Sales Promotion Proposal. Sole Mates Inc. is planning a one-month campaign for July to promote sales of one of its two shoe products. A total of 5129,000 has been budgeted for adveitiang, contests, redeenable coupons, and other promobonal activities. The following data hive been assembled for theif possible usefulness in deciding which of the proclucts to select for the campaign: No increase in facilities would be necestary to produce and sell the incecaved output. It is anticipated that 23,000 additional unite of tennis vioes on i9, oco adibtional utits of wallong shoes could be sold without changing the unat srlling price of ether product. 1. Prepare a differential analysis as of June 19 to determine whether to promote tennis shoes (Alternative 1) or walking shoes (Alternative 2) . If an anount is zero, enser "- 0. Use a minus sign to indicate costs. If required, use a minus sign to indicate a loss: Differential Analysis Promote Tennis Shoes (Alt. 1) or Promote Walking Shoes (Alt. 2)