Current Attempt in Progress Your answer is incorrect. Sarasota Corporation produces microwave ovens. The following unit cost information is available: direct materials $39, direct labor $28, variable manufacturing overhead $12, fixed manufacturing overhead $40, variable selling and administrative expenses $13, and fixed selling and administrative expenses $28. Its desired ROI per unit is $28.80. Compute its markup percentage using a total-cost approach. (Round answer to 2 decimal places, e.g. 10.50\%.) Markup percentage %