Suppose that TapDance, Incorporated's capital structure features $75$ percent equity, $25$ percent debt, and that its before$-$tax cost of debt is $8$ percent, while its cost of equity is $13$ percent. The appropriate weighted average tax rate is $21$ percent and TapDance estimates it cannot make any use of the interest tax shield in the foreseeable future.

What will be TapDance's WACC?

Note: Round your answer to $2$ decimal places.

WACC