老师您好，雇主没有问他是否被以前的雇主炒鱿鱼，他也没有主动说，就算是隐瞒吗

老师您好，我想请教一下：比如说 XX-delta call or put ，ATM=50-delta，只要是小于50，不管是call 和put 都是OTM？而大于50到100之间的是ITM option 吗？为什么？谢谢您。

第五题，合并报表后的资产＝原公司资产＋子公司资产－投资＋appreciation吗？

第五题，原文说超过净资产FV的部分是买license的，但appreciation＝FV－BV，所以应该说超过BV的部分吧？

老师，原版书课后题Reading40的第16题，我没看懂题目，如果要求 interest rate option的定价，还需要的不是9个月的Libor吗

老师，原版书课后题Reading 40的第18题，为什么delta neutral 的gamma大于零？

income tax expense 是否等于income tax paid?

10. Brown Corporation had average days of sales outstanding of 19 days in the most recent fiscal year. Brown wants to improve its credit policies and collection practices and decrease its collection period in the next fiscal year to match the industry average of 15 days. Credit sales in the most recent fiscal year were $300 million, and Brown expects credit sales to increase to $390 million in the next fiscal year. To achieve Brown’s goal of decreasing the collection period, the change in the average accounts receivable balance that must occur is closest to: A. +$0.41million. B. –$0.41million. C. –$1.22million. 实在很难理解，题目中的CREDIT SALES,和公式中的NET REVENUE在这里看做是相等的吗？

视频当中第6个case老师是不是讲错了？ 下面的解析显示的是其操作违反了规定

174页 2015年1B 为什么不用加inflation 书上写了要on an inflation adjusted basis