问题如下：
Consider the two projects below. The cash flows as well as the NPV and IRR for the two projects are given. For both projects, the required rate of return is 10 percent.
What discount rate would result in the same NPV for both projects?
选项：
A. A rate between 0.00 percent and 10.00 percent.
B. A rate between 10.00 percent and 15.02 percent.
C. A rate between 15.02 percent and 16.37 percent.
解释：
B is correct.
For these projects, a discount rate of 13.16 percent would yield the same NPV for both (an NPV of 6.73).
老师，这种题需要计算吗，感觉答案就是 要求回报率和小的IRR之间
