后面的习题涉及到MD&A和SEC，能讲一下SEC对MD&A的要求吗？或者对公司年报的要求，这是在美国体系下吗？

老师你好，为什么这里解决方法一，新古典经济主义的价格没有粘性，而短期AS曲线有粘性？

折旧不是I/S的科目么，怎么会记到B/S里？

An analyst wants to test whether the samples selecting from a population are random, he should choose: A F-test B Chi-square test C Nonparameter test

看不了

感觉这道题讲解的很勉强，能否换个人再讲一下？

这道题为什么不选c?

请问这节课中提到的fully-amortized bond(index-annuity bond)和non-amortized bond(interest/capital-indexed bond)是指摊销的债券中的那一部分，并且怎么摊销呢？不理解。麻烦解释下。谢谢

A 24-year-old woman is using the following information to plan her retirement: She assumes her consumption expenditures will increase with the rate of inflation, 3 percent, until she retires. Upon retiring she will have end-of-year expenditures equal to her consumption expenditure at age 68. The minimum amount that she must accumulate by age 68 in orders to fund her retirement is closest to: 老师您好，这个题里面 3%的inflation 这个条件怎么用，另外还有整个怎么求

A 24-year-old woman is using the following information to plan her retirement: She assumes her consumption expenditures will increase with the rate of inflation, 3 percent, until she retires. Upon retiring she will have end-of-year expenditures equal to her consumption expenditure at age 68. The minimum amount that she must accumulate by age 68 in orders to fund her retirement is closest to: