问题如下：
The return on the asset is 9%, and the cost
of the debt is 3%. An investor bought the asset with equity of 15 and debt of
30. What is the return on equity?
选项：
A.
27%
B.
21%
C. 18%
12%
解释：
考点：对Leverage的理解
答案：本题选B
解析：
Return on equity = Leverage ratio × Return on asset – (Leverage ratio – 1 ) × Return
on Debt
=3 × 9% - 2 × 3% = 27% - 6% = 21%
老师，怎么算出来的leverage =3?
