Bramble Corporation produces microwave ovens. The following unit cost information is available: direct materials $30, direct labor $24, variable manufacturing overhead $17, fixed manufacturing overhead $43, variable selling and administrative expenses $19, and fixed selling and administrative expenses $34. Its desired ROI per unit is $31. Compute the markup percentage using variable-cost pricing. (Round answer to 2 decimal places, e.g. 10.50%.) Markup percentage %