Gobal Technobgy's capital structure is as follows:

The aftertax cost of debt is $8\mathrm{.}50$ percent; the cost of preferred stock is $12\mathrm{.}00$ percent; and the cost of common equity lin the form

of retained earnings$/$ is $15\mathrm{.}50$ percent.

Cakukte the Gobal Technobgy's weighted cost of each source of capital and the weighted ave rage cost of capital.

Note: Do not round intermedlate calculations. Input your answers a a percent rounded to $2$declmalplaces.