9. Problem 10.10 (WACC) Olsen Outfitters Inc. believes that its optimal capital structure consists of 60% common equity and 40% dett, and its tax rate is 25%. Olsen must raise additional capital to fund is upcoming expansion. The fimm have $3 million of retained earnings with a cost of -13% New common stock in an amount up to $7 million would have a cost of - 14.0%. Furthermore, Olsen can raise up to $1 million of debt ut an interest rate of 10% and an additional $6 milion of debt at 13%. The CFO estimates that a proposed expansion would require an investment of $6.2 million. What is the WACC for the last door raised to complete the expansion Round your answer to two decimal places