希望老师讲题的声音可以大点，我一点听不到讲题的声音

视频声音太小完全听不见。老师可以给我讲解一下这道题吗？

这里选项B的错误点是不是应该是估计新发行债券的YTM，而不是market discount rate

如果没有floor约束，应该是1.6 2.5吧，解析是不是有问题，是1月1号确定的rate，又不是年末？

这个题目和这个知识点冲突不？

zero coupon bond不是在发行的时候报一次就行了吗，怎么还每年都要report？

请问Market maker 和dealer都是做市商吗？

yields的变化对put option的value影响是怎样的？

会计原则变了，为什么不要追溯调整？B错在哪里？

The market demand function for four-year private universities is given by the equation Where is the number of applicants to private universities per year in thousands, Ppr is the average price of private universities (in thousands of USD), I is the household monthly income (in thousands of USD), and Ppu is the average price of public (government-supported) universities (in thousands of USD). Assume that Ppr is equal to 38, I is equal to 100, and Ppu is equal to 18. The cross-price elasticity of demand for private universities with respect to the price of public universities is closest to: 老师您好，这里我看到“The cross-price elasticity of demand for private universities with respect to the price of public universities is closest to”， 这句话怎么理解，课件上讲的听不清楚，再就是斜率为啥不是-3.1？