Wedge Shoe Company is planning a one$-$month campaign for August to promote sales of one of its two shoe products. A total of $$193,000$ has been budgeted for advertising, contests, redeemable coupons, and other promotional activities. The following data have been assembled for theiNo increase in facilities would be necessary to produce and sell the increased output. It is anticipated that $25,000$ additional units of closed$-$toe shoes or $21,000$ additional units of open $-$toe shoes could be sold without changing the unit selling price of either product. Prepare a differential analysis report presenting the additional revenue and additional costs anticipated from the promotion of closed$-$toe shoes and open$-$toe shoes.