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Current Attempt in Progress Carla Vista Corporation produces microwave units. The following per-unit cost information is available: direct materials $38; direct labour $22; variable manufacturing overhead $17; fixed manufacturing overhead $44; variable selling and administrative expenses $16; and fixed selling and administrative expenses $26. Its desired ROI per unit is $30.44. Calculate the markup percentage using variable-cost pricing. (Round answer to 2 decimal places, e.g. 15.25%.) Markup percentage %