FIUTTI Woin. Chapter_1b Save an Score: 0 of 1 pt 20 of 36 (10 complete) HW Score: 21.63%, 7.79 of 36 pts P 16-20 (similar to) Question Help NatNah, a builder of acoustic accessories, has no debt and an equity cost of capital of 13%. Suppose NatNah decides to increase its leverage to maintain a market debt-to-value ratio of 0.4. Suppose its debt cost of capital is 9% and its corporate tax rate is 24%. If NatNah's pre-tax WACC remains constant, what will be its (effective after-tax) WACC with the increase in leverage? The effective after-tax WACC will be %. (Round to two decimal places.)