题目是不是问的：预估在银行破产和没破产时候的预期value？因为包含了破产和生存两种状态，所以应该用全概率？

Q168 为什么是用0.3*8000，不是和16年比吗？0.3*5000?题干如何理解？

请教一题：If a stock decreases in one period and then increases by an equal dollar amount in the next period, will the respective arithmetic average of the continuously compounded and holding period rates of return be positive, negative, or zero?答案是zero；positive。拿算术平均举例：假设stock P=100，第一期价格跌10块，第二期价格涨10块。第一期收益率-10%，第二期收益率11.11%，为啥是0？

两张other income都表示非主营业务？

这道题我选的A，答案选的C。看了解释，感觉很牵强，请老师再解答下，什么场合可以认为没有违反。

这里的subtotals（required to be presented under IFRS)和gross profit/margin=revenues-COGS，说明在IFRS下只有multi-format没有single-format？

麻烦老师解答一下

Which of the following statements about the IRR and NPV methods is most accurate? A From the NPV, we can know how much the value of the firm has increased if you investment the project. B When evaluating mutually exclusive projects, the IRR and NPV methods always yield the same decisions. C When selecting between mutually exclusive projects, the project with the highest NPV should be accepted regardless of the sign of the NPV calculation. 这题c为什么不对？

老师，问一下百题-公司理财Q28题，用公式计算re的时候，解答时是re==D1/P0(1-f)；而讲义中的公式是re=[D1/P0(1-f)]+g，就是解答时没有加g这个增长率，是怎么理解呢？

请问题目中没有给出是样品还是总体，答案为什么算样品标准差？最后一步里面，u （总体均值）为什么是0？