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 the absorption-cost approach. (Round answer to 2 decimal places, es. 15.25\%.)