单选题 An investor is considering purchasing ACQ. There is a 30 percent probability that ACQ will be acquired in the next two months. If ACQ is acquired, there is a 40 percent probability of earning a 30 percent return on the investment and a 60 percent probability of earning 25 percent. If ACQ is not acquired, the expected return is 12 percent. What is the expected return on this investment?

A. 16.5%.
B. 18.3%.
C. 12.3%.

【正确答案】 A

【答案解析】E(r) = (0.70×0.12)+(0.30×0.40×0.30)+(0.30×0.60×0.25) =0.165.