Please use excel and excel formulas step bu step to solve Problem $14\mathrm{.}5$: The target capital structure for Olsen Outfitters Inc. is $40$ percent common stock, $10$ percent preferred stock, and $50$ percent debt. If the cost of common equity for the firm is $13$ percent, the cost of preferred stock is $8$ percent, and the before$-$tax cost of debt is $6$ percent, and the firm's tax rate is $24$ percent, what is Olsen's wieghted average cost of capital?

Hint: see Figure $14\mathrm{.}1$ on page $449$

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