Magpie Corporation uses the total cost method of product pricing. Below is cost information for the production and sale of $60,500$ ?units of its sole product. Magpie desires a profit equal to a $19\%$ ?return on invested assets of $$611,000.$

Fixed factory overhead cost

$$38,600$

Fixed selling and administrative costs

$7,200$

Variable direct materials cost per unit

$4\mathrm{.}34$

Variable direct labor cost per unit

$1\mathrm{.}88$

Variable factory overhead cost per unit

$1\mathrm{.}13$

Variable selling and administrative cost per unit

$4\mathrm{.}50$

The markup percentage on total cost for Magpie's product is

$?$ ?a$.15\mathrm{.}2\%$

$?$ ?b$.12\mathrm{.}2\%$

$?$ ?c$.19\mathrm{.}8\%$

d$.25\mathrm{.}9\%$