Whichering Winds Corporation produces microwave ovens. The following unit cost information is available: direct materials $30, arrect labor $20, variable manufacturing overhead $16, fixed manufacturing overhead $42, variable selling and administrative expenses $18, and fixed selling and administrative expenses $24. Its desired ROl per unit is $27.00. Compute its markup percentage using a total-cost approach. (Round answer to 2 decimal places, e.g. 10.50%.) Markup percentage %