为何DTL与DTA要有正负号问题？

104%是怎么算出来的

Justin Blake, CFA, a retired portfolio manager, owns 20,000 shares of a small public company that he would like to sell because he is worried about the company’s prospects. He posts messages on several internet bulletin boards. The messages read, “This stock is going up once the pending patents are released, so now is the time to buy. The stock is a buy at anything below $3. I have done some close research on these guys.” According to the Standards of Practice Handbook, Blake most likely violated the Standard or Standards associated with: Integrity of Capital Markets and Conflicts of Interest. Integrity of Capital Markets, but not Conflicts of Interest. Neither Integrity of Capital Markets nor Conflicts of Interest.

这道题中，怎么理解periodicity of 12, for a 4 year? N等于多少

11题 摊销费用是怎么算出来的

下图中的例题（网课讲义第15页） 计算TRADING SECURITY 的UNREALIZED GAIN的时候 为什么不直接是1040-1051.54(即年末的FV-年初的COST） 而是1040-（1051.54-15.88）即年末的FV-年末的摊余成本

视频17：40 的时候，在区间估计的时候，怎么是u-tc a 的啊，不应是T分布的啊，讲义上是在Z的啊，到底谁对谁错啊？？？老师是不是讲错了啊？

Arbitrage-free valuation framework是第35个reading，为什么讲义中是第36个？难道视频不是2019年版本的？是2018年的？

C选项taxable income from the bond every year until maturity. 需要持有到期前每年都报告应纳税所得吗？

讲的太快了！！！太快了！！！！