请问e在计算器中如何计算？

because futures contracts require that both the buyer and the seller of the futures contract provide a cash deposit for a portion of the futures transaction into a margin account, often referred to as a performance bond or good faith deposit.这句话难道跟B选项because futures contracts require that both the buyer and the seller of the futures contract provide a cash deposit for a portion of the futures transaction into a margin account, often referred to as a performance bond or good faith deposit.这句话跟B选项：the buyer and seller provide a performance bond at initiation of the contract.不是表达同一个意思吗

请问老师这两种评级有什么区别吗？

本题为什么不选B呢？？为什么不是CML而是CAL呢？？

老师，inflation rate=(CPI-基期CPI)/基期CPI?

想问下这个30000为什么拆分成20000和10000算？有点想不明白

请问老师这道题为什么r上升？题目中没有说啊

请问老师这道题effective duration是收益率曲线上求出的p的变动量是真实的变动量是什么意思？老师这道题为什么选A？

但是本题没有说风险seeker也投他这个无风险资产了呀？？风险seeker还投这种资产，还称得上风险Seeker吗？？这题目怎么到处乱扯

请问老师这道题为什么加减1个bps？而不是2个呢？