14.2 Determining the Firm's Capital Structure Weights

14.2 Determining the Firm's Capital Structure Weights
Use the following information to answer the following question(s) .
The following data concerning Grafton Computer Peripherals' capital structure is available.

-The percentage of common stock in Grafton's weighted average cost of capital is:

A) 38.1%.
B) 20%.
C) 6.25%.
D) 62.5%.