If the interest rate is 8%, what are the net present value of each of the following cash flow streams: Stream 1 Year Cash Flow 4 -1,500 600 500 100 700 Stream 2 Year Cash Flow 0 20,000 6,000 -6,000 -6,000 -6,000 Stream 3 Year Cash Flow -2,000 2,000 -4,500 1,500 2,000