Global Technology's capital structure is as follows:

The aftertax cost of debt is $6\mathrm{.}50$ percent; the cost of preferred stock is $10\mathrm{.}50$ percent; and the cost of common equity $($in the form of

retained earnings$)$ is $13\mathrm{.}50$ percent.

Calculate the Global Technology's weighted cost of each source of capital and the weighted average cost of capital.

Note: Do not round intermediate calculations. Input your answers as a percent rounded to $2$ decimal places.