请问用年化利率换回90天时，为什么不用复利方式？

一阶导的表达式是？

A和C的确是不正确。但是老师在课中明确说了iosco不是regulatory，所以这里的答案B也不正确吧。

请问老师在课上讲到，权责发生制适用于B/S和I/S，收付实现制适用于CFs。但是在预收账款unearned revenue这里，因为货物或服务还没有交割，所以不能确认revenue。这不就成了收付实现制了吗？想请问一下这里怎么理解，谢谢。

Following a sharp increase in the price of energy, the overall price level is most likely to rise in the short run: A and remain elevated indefinitely unless the central bank tightens. B but be unchanged in the long run unless the money supply is increased. C and continue to rise until all prices have increased by the same proportion. 请老师解释一下B答案的后半句。

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. 如果改为SRAS，是否能选C呢

price-to-book ratio price-to-cash ratio 是会受到资本结构影响吗？

average accounts receivable为什么是解析中的公式？老师课程视频中是与这个知识点是有联系的？

shelf registration柜台注册发行和IPO区别仅仅是IPO是首次发行，柜台注册可以在IPO之后再发行？

关于包销和代销，包销希望价格低，但是如果价格低承销费也少啊。代销希望价格高，但是如果价格高，卖出的数量就少，总额也不一定会上升啊