这一条不理解, 请老师解释下, 谢谢老师!

Reading 31，原版书课后题Q3 为什么求RUF的forward PE时，分母EPS为30million/options shares？

老师您好: 请问, 为什么说夏普比率假设正态分布? 谢谢老师!

请问这个题的意思是 如果一个国家的商品出口的价格比在本国商品出售价格要高的话，那么选择出口 就会是国家受益吗？

26. For its fiscal year-end, Sublyme Corporation reported net income of $200 million and a weighted average of 50,000,000 common shares outstanding. There are 2,000,000 convertible preferred shares outstanding that paid an annual dividend of $5. Each preferred share is convertible into two shares of the common stock. The diluted EPS is closest to: A. $3.52. B. $3.65. C. $3.70. 麻烦老师讲解，带一下计算过程。想了解一下，此题为何没有减去可转换优先股股利？

Reading31 原版书课后题Q1 请问为什么求average EPS时只取2003到2006的均值？而不取2003-2007的average EPS?

21. For 2009, Flamingo Products had net income of $1,000,000. At 1 January 2009, there were 1,000,000 shares outstanding. On 1 July 2009, the company issued 100,000 new shares for $20 per share. The company paid $200,000 in dividends to common shareholders. What is Flamingo’s basic earnings per share for 2009? A. $0.80. B. $0.91. C. $0.95. 老师，该题为什么不选A，而选C呢？

Reading 32,原版书课后题Q35 请问 extreme accounting rates of return是什么？

老师15题实在不会做 完全搞不清他说的dealerA和dealerB在里面要干嘛

老师您好，请问，例句中第四行为什么用Might？而不是May？