capm模型的数据我从哪里知道？系统风险beta和市场收益率我从哪知道啊？

市场实际收益率从哪里知道啊？

非系统风险怎么被分散掉？可以举个例子吗?

At current moment, an investment has an outlay of 120 and after-tax cash flows of 50 annually for four years, however, a project enhancement increases the outlay by 20 and the annual after-tax cash flows by 10. As a result, what are the effects on the vertical and horizontal intercept? A The vertical intercept of the NPV profile of the enhanced project shifts up and the horizontal intercept shifts left. B The vertical intercept of the NPV profile of the enhanced project shifts up and the horizontal intercept shifts right. C The vertical intercept of the NPV profile of the enhanced project shifts down and the horizontal intercept shifts left 这个题干中说税后现金流量是50英镑，这句是什么意思呀，不明白呀

An investment of $20,000 will create a perpetual after-tax cash flow of $2,000. The required rate of return is 8 percent. What is the investment's profitability index? A 1.08. B 1.16. C 1.25. 不明白这个题 怎么求出来PV of future cash flow

你好，total capital由什么组成

37题和38题解释一下问题和题目

请问37题除了肉眼判断，有没有什么计算依据？

为什么债券的FV等于面值1000

los,是什么