Problem $21-03$

A firm's current balance sheet is as follows:

Assets

$$150$

Debt

$$45$

Equity

$$105$

a$.$ What is the firm's weighted$-$average cost of capital at various combinations of debt and equity, given the following information? Round your answers to one decimal place.

$\backslash$table$[[$Debt$/$Assets$,$After$-$Tax Cost of Debt,Cost of Equity,Cost of Capital$],[0\%,6\%,13\%,(1)],[10,6,13,(\%$