Need an answer ASAP--39

The Felix Filter Corp. maintains a debt-equity ratio of .6. The cost of equity is 16%, the cost of debt is 11% and the marginal tax rate is 27.27%. What is the weighted average cost of capital?

Select one:

a. 8.38%

b. 11.02%

c. 12.89%

d. 13.00%

e. 14.12%