请问该知识点对应讲义的哪里呀？

问题如下：

Explain the meaning of market timing and directed brokerage.

选项：

解释：

Market timing involves an open-end mutual fund investor embarking on large trades motivated by the fact that some of the security prices used to calculate an NAV are stale. Directed brokerage is an arrangement between a fund and a broker where the broker recommends the fund and the fund uses the broker for trading.