20. roman knoze is considering the following investment. the project will cost $20,000 initially, and will return $5,000 in year 1, $10,000 in year 2, and $15,000 in year 3. roman requires a minimum rate of return of 10%. what is the net present value of the project? a. $5,670 b. $2,530 c. $24,070 d. $4,070