老师好！题目如下： As one moves to the right along an investor's EF, a set increase in risk is most likely to lead to: A. sequentially larger increases in expected return; B. consistent increases in expected return; C. sequentially smaller increases in expected return. 答案是C，麻烦老师讲解，谢谢！

您好 老师 请问这道题目中的cash paidfor operating expense的考点是不是超纲了呀？如果要求解答案的话 该如何计算捏？

老师好！题目如下： Risk-averse investors who invest in risk-free assets will have a numerical utility that is: A. same as risk-seeking averse; B. higher than risk-averse investor; C. higher than risk-neutral investor; 答案是A，麻烦老师讲解，谢谢！

老师好！题目如下： Relative to an investor with a steeper indifference curve, the optimal portfolio for an investor with a flatter indifference curve will most likely have: A. a lower level of risk and return; B. a higher level of risk and return; C. the same level of risk and return 答案是B，麻烦老师讲解，谢谢！

老师好！题目如下： The return measure that best allows one to compare asset returns earned over different length time period is the: A. Annualized return B. net Portfolio return C. holding period return 答案是A 麻烦老师讲解，谢谢！

risk-neutral prbabilities是如何计算出来的？图片内容说，与actual probabilities没什么关系？为什么？谢谢！

老师，请问这道题答案中只把每期的700块折现到未来，为什么不折20000？麻烦详细讲解一下谢谢！

Swap的下一期payment可以提前一期知晓： 1.不知下一期payment，具体指什么？假如浮动换固定，我理解固定是掉期率，是已知的，下一期payment，是不是指下一期浮动利率？ 2.如果是下一期浮动利率，不知是怎么算出来的？ 谢谢！

老师，这道题我算的时候吧6%转换成了EAR，为什么这样不对呀？什么时候计算需要用EAR？这一块现在有点模糊，请老师详细解答一下！

R/E FIFO=R/E LIFO ＋ LIFO reserve（1-t） 1.为什么不用这个公式来算R/E的变化，而用COGS影响NI再影响R/E来算？ 2.dividend declaired在题目的两个变化中不会改变吧？