Current Attempt in Progress Blossom Corporation produces microwave units. The following per-unit cost information is available: direct materials $34; direct labour $22; variable manufacturing overhead $16; fixed manufacturing overhead $40; variable selling and administrative expenses $12; and fixed selling and administrative expenses $26. Its desired ROI per unit is $28.08. Calculate the markup percentage using variable-cost pricing. (Round answer to 2 decimal places, e.g. 15.25\%.) Markup percentage %