请问这里的accured revenue不应该是A/R的一部分吗？

老师好，原版书191页第16题 An increase in government spending would shift the : A. IS curve and the LM curve B. IS curve and the aggregate demand curve C. LM curve and the aggregate demand curve 请老师帮忙解析本题，谢谢

老师好～原版书190页第14题 Because of a sharp decline in real estate values, the household sector has increased the fraction of disposable income that it saves. If output and investment spending remain unchanged, which of the following is most likely? A. A decrease in the government deficit B. A decrease in net exports and increased capital inflow C. An increase in net exports and increased capital outflow. 请老师帮忙解析本题，谢谢～

老师好～原版书190页9题 If the GDP deflator values for 2008 and 2010 were 190 and 212.8, respectively, which of the following best describes the annual growth rate of the overall price level? A. 5.8% B. 6% c. 12% 请老师帮忙解析本题，答案的解题过程没有看明白

老师好～原版书190页第12题 In calculating personal income for a given year, which of the following would not be subtracted from national income? A. Indirect business taxes B. Undistributed corporate profits C. Unincorporated business net income 请老师帮忙解析本题，另外这个知识点是在哪部分呀，在讲义中没有找到

原版书P39，example5，请问为什么breakeven不是80，而是40呢？我画的图对不对？

老师好～原版书112页第18题 In a industry comprised of three companies, which are small-scale manufactures of an easily replicable product unprotected by brand recognition or patents, the most representative model of company behaviour is: A. oligopoly B. perfect competition C. monopolistic competition 在完全竞争下，公司第数量不是应该最多吗？本道题干显示行业只有3个公司。但是后面第描述又比较符合完全竞争市场。

老师好～原版书112页14题 A government entity that regulates an authorized monopoly will most likely base regulated prices on : A. marginal cost B. long run average cost C. first degree price discrimination 请老师帮忙解析本题，这道题的知识点是哪个呀，我没有在讲义中monopoly部分找到相关部分

老师好 原版书55页30题 A profit maximum is least likely to occur when: A. average total cost is minimized. B.marginal revenue equals marginal cost. C. the difference between total revenue and total cost is maximized. 这道题的知识点不是很明白，答案也没有看懂，请老师帮忙解析，谢谢～

1、原版教材P16，最上面，举例咖啡和白菜，他们又没有什么联系，举这个例子说明什么呢？ 2、原版教材P23，最下面，为什么total cost=劳动力成本＋资本成本，为什么没有原材料成本？