问题如下：
The Senior VP of RN fund asks Jacques to use the market approach to valuation with a focus on the guideline transactions method. Jacques mentions that the control premium paid for the most similar guideline firm used in the analysis suggests a discount for lack of control of 15 percent. The discount for lack of marketability was estimated at 20 percent. The total discount for both control and marketability is closest to:
选项：
A.21 percent.
B.32 percent.
C.23 percent.
解释：
B is correct.
考点：Total discount for both control and marketability
解析：B正确的。总折价的计算:1 -(1 - 0.20)(1 - 0.15)= 1 - 0.68 = 32%
这题如何判断是 control discount 呢？ 题干似乎说的非常隐晦
