对于SFR较高的组合，是不是意味着组合收益低于RL的概率较大，那为什么还是较优的组合呢？

26. The most likely outcome when both aggregate supply and aggregate demand increase is: A. a rise in inflation. B. higher employment. C. an increase in nominal GDP. 答案是B，但书上的解释说是增加REAL GDP,请老师解释一下为什么不是增加NOMINAL GDP

13和14题请用两种方法解答，一种是用等式求解，涉及开根号的那种，另一种就是常规的该如何解？

Which of the following statements about the FASB conceptual framework, as compared to the IASB conceptional framework, is most accurate? A The FASB framework allows for upward revaluations of tangible, long-lived assets. B The FASB framework and IASB framework are now fully converged. C The FASB framework lists revenue, expenses, gains, losses, and comprehensive income related to financial performance. 老师您好，这个题帮忙分析下

GROSS REPORTING 和Net reporting本质上有什么区别，基础课的时候就没有太明白，麻烦老师在讲一下

24. Which of the following is most likely to cause the long-run aggregate supply curve to shift to the left? A. Higher nominal wages. B. A decline in productivity. C. A increase in corporate taxes. 直观的感觉是选B，答案也对，但还请老师解释一下为什么A和C不对。

毛利润不是等于REVENUE-COGS么，那应该是30万，为什么还要减去RETURNS？

这道题的知识点是财务报表讲义的那一个READING？

12. In calculatingpersonal income for a given year, which of thefollowing wouldnot be subtracted from national income ? A. Indirect business taxes. B. Undistributed corporate profits. C. Unincorporated business net income. 请老师详细解释一下这道题，印象中基础班的课程里没有提及这个知识点。

老师，我没听懂Gross revenue 和net revenue是怎么算的？有公式吗