求此道题目的解析

问题如下：

The following table lists the annual risk-free rate, the return on an equity fund ,and the return on the market portfolio for the past three years：

Using a linear regression, the beta relating the excess returns of the equity fund to the excess returns of the market portfolio is estimated to be 0.60.What is the best estimate of Jensen’s alpha of this equity fund over this 3-year period ?

选项：

A.

-3.07%

B.

-1.00%

C.

0.33%

D.

4.34%

解释：