Morales Corporation produces microwave ovens. The following per unit cost information is available: direct materials $37, 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 $31. Compute the markup percentage using variable-cost pricing. (Round answer to 2 decimal places, e.g. 10.50%.) Markup percentage %