Culver Corporation produces microwave ovens. The following unit cost information is available: direct materials $$34,$ direct labor $$29,$ variable manufacturing overhead $$15,$ fixed manufacturing overhead $$46,$ variable selling and administrative expenses $$17,$ and fixed selling and administrative expenses $$29.$ Its desired ROI per unit is $$28\mathrm{.}90.$ Compute its markup percentage using a total$-$cost approach. $($Round answer to $2$ decimal places, e$.$g$.10\mathrm{.}50\%.)$

Markup percentage $\%$