Oompah-Loompah Vacations Company currently has 2.1 million shares of stock outstanding. It also has $20 million face value of bonds that have five years remaining to maturity, a 10% coupon, and are priced to yield 10.10%. Suppose the Oompah-Loompah Vacations Company has learned that it can issue new common stock at $20 a share. The last dividend of Oompah-Loompah Vacation's common stock was $1 per share and is expected to grow at a rate of 5% per year. The current risk-free rate of interest is 0.25% and the expected market return is 5.5%. Oompah-Loompah Vacations can also issue bonds. The common stock has a beta of 2.2. If Oompah-Loompah Vacations issues bonds, the bonds will be priced at par and have a yield of 10%. The firm's marginal tax rate is 25%. Assume that flotation costs for both the bonds and the stock are negligible.

Oompah-Loompah's after-tax cost of debt is closest to ...

9.0%

8.0%

8.5%

7.0%

7.5%