请问原版reading19的21题，为何选C

这题选项有问题吧，4firm算出来85％，那A. C选项都是95％，都不用计算HHI了

老师您好！第10题用掌握吗？

那A呢

费用化后，现金流会被认为CFO， 为什么cash flowfrom operating会higher？ 资本化后，现金流会被认为是CFI，为什么 cash flow from investing会lower？

你好，为什么不选c呢？从答案解读来看，重新估价revaluation也是sensitivity，risk，measures的一种啊。

9 A high-quality financial eport may reflectA earnings smoothing.B low earnings quality.C understatement of asset impairment.9 B is correct. High-quality financial eports offer useful information, mean-ing information that is relevant and faithfully represents actual performance.Although low earnings quality may not be desirable, if the reported earningsare representative of actual performance, they are consistent with high-qualityfinancial reporting. Highestquality financial eports reflect both high financialreporting quality and high earnings quality.为什么不选A？

老师，marginal returns=0时total product达到最大，那此时设备的capacity是over capacity，当marginal returns开始下降的时候，设备达到full capacity，怎么从图表判断呢两种状态呢？

operatingrisk和DOL有啥联系？

老师，视频这个位置Irene为啥说现金分红不参与下期利滚利？我看精读上说TWRR假定所有的现金分红都被重新投资于证券组合当中。