问题如下：
Beta Corp. invested $50,000 in a project at the beginning of this year. The project is expected to generate annual cash flows at $12,500 for five years. Assume the required rate of return is 8%, the project’s NPV and IRR should be:
选项：
A.NPV=-$91, IRR=7.9%
B.NPV=$91, IRR=7.9%
C.NPV= 0, IRR=8%
解释：
A is correct. NPV and IRR can be computed by calculator. Input CF0=-50,000, CF1=12,500, F01=5, I=8%. Therefore net present value is -$91 and IRR is 7.9%.
老师，麻烦问个比较简单的问题。再算IRR\NPV 的 时候 ，会不会有现金流发生在期初期末的考虑？
