债券的市场价值B(百万元) | 税前债务资本成本Kb | 股票β值 | 无风险收益率RF | 平均风险股票必要收益率Km | 权益资本成本Ks |
0 | - | 1.20 | 10% | 14% | 14.8% |
2 | 10% | 1.25 | 10% | 14% | 15% |
4 | 10% | 1.30 | 10% | 14% | 15.2% |
6 | 12% | 1.375 | 10% | 14% | 15.5% |
8 | 14% | 1.55 | 10% | 14% | 16.2% |
10 | 16% | 2.10 | 10% | 14% | 18.4% |
债务增加了,公司的股票减少了,但是股标还是那股票,为什么B值要变?