The following data pertains to Mannie Corp. Assuming that the risk-free rate is 4.5% and the market risk premium is 6.2%, calculate Mannie's cost of equity capital using the capital asset pricing model. Mannie Corp. Total Assets $14,680 Interest-Bearing Debt $ 9,124 Avg. borrowing rate for debt 8.5% Common Equity Book Value $ 5,120 Market Value $25,700 Marginal Income Tax Rate 37% Market Equity Beta 1.44 O 13.4% 10.4% O 6.2% O 8.9%