what is the net present value of the stream if the opportunity cost of capital is 10%?

Year Cash Flow

0 $2,000

1 2,000

2 0

3 1,500

4 2,500

5 4,000

b) what is the value of the stream at the end of year 5 if the cash flow are invested in an account that pays 10 percent annually?

c)what cash flow today( year 0) in lieu of the $ 2,000cash flow, would be needed to accumulate $ 20,000 at the end of year 5? cash flow remain the same.