Company KLM has calculated its WACC as 8%. The debt/equity ratio (measured in market values) is 1.5, and the after-tax cost of debt are 4.0%. Therefore the cost of equity are closest to:

HINT: use the following weights in the WACC formula: DD+E=1.52.5 and ED+E=12.5

A. 7 percent

B. 14 percent

C. 9 percent

D. 10 percent