An analyst does research about weighted av
题型：单项选择题
问题：
An analyst does research about weighted average cost of capital and gathers the following information about a company:
| Capital Source | Market Value (millions) | Before-tax Cost of Capital |
| Bonds | $150 | 5% |
| Preferred stock | $50 | 6% |
| Common stock | $300 | 10% |
A. 7.0%
B. 7.6%
C. 8.1%