老师上课时候说 stock split用price-wighted，题目问的least likely 不太明白为什么还是选price-wighted

Why this sentence not refers to perfect competitive market?

老师好，cfo不是=ni-deltaar-deltainv+deltaAP-d&a-gain/loss，增加financing payable，不就是等于增加deltaAP，本项增加cfo不是增加吗？为什么A是不增加cfo的？

此题答案看不懂，能说明一下吗，有没有能用计算机计算的简洁一点的方法？

此题答案看不懂，能说明一下吗，有没有能用计算机计算的简洁一点的方法？

17题答案是不是错了？

老师好啊哦本题完全没看懂，note 8 to 2010，下面答案里还有9*（1260/140）都是啥？能解释一下这道题吗？

第10题，求MWRR时，如何分析每年的现金流，麻烦画出图。

The party making the fixed-rate payment under a swap contract may also have to make the variable payment on that contract if the swap is belonged to: A currency swap. B interest rate swap. C equity swap. 答案说选c，有点不可思议

Hellen owns 100 shares of Baker stock, which is trading at $87 per share, and Bob is short 200 shares of Baker. Hellen wants to buy 100 more shares if the price rises to $95, and Brown wants to cover his short position and take profits if it falls to $76. The orders Hellen and Bob should enter to accomplish their stated objectives are: A Limit buy @ 95 for Hellen; Limit buy @ 76 for Bob B Limit buy @ 95 for Hellen; Stop buy @76 for Bob C Stop buy @95 for Hellen; Limit buy @ 76 for Bob 这题答案是不是有问题，答案说选c，