没有理解，请老师讲一下

问题如下：

Company A is a non-public company, company B is the comparable public company of company A. If we want to calculate equity beta of company A, we should:

选项：

A.

convert asset beta of company B into its equity beta, then calculate equity beta of company A from the equity beta

B.

convert equity beta of company B into its beta asset, then calculate equity beta of company A from the beta asset

C.

convert asset beta of company B into equity beta

解释：

B is correct. If we want to calculate equity beta of company A, we should first delver the equity beta of company B into its beta asset, then relever it to get equity beta of company A.