(Ignore income taxes in this problem.) Heap Company is considering an investment in a project that will have a two year life. The project will provide a 10% internal rate of return, and is expected to have a $40,000 cash inflow the first year and a $50,000 cash inflow in the second year. What investment is required in the project?

A)$74,340

B)$77,660

C)$81,810

D)$90,000

How is it B?