financial management

please help me

The Caribou Pipeline Company projects a pattern of inflows from the investment shown in the following table. The inflows are spread over time to reflect delayed benefits Each year is independent of the others. Year 1 Cash Inflow Probability 50 0.40 70 8.20 90 0.40 Year 5 Cash Inflow Probability 30 0.35 70 0.30 110 0.35 Year 16 Cash Inflow Probability 20 0.30 20 0.40 120 0.30 The expected value for all three years is $70. a. Compute the standard deviation for each of the three years (Round the final answers to 2 decimal places.) Standard deviation Year 1 Year 5 Year 10 b. This part of the question is not part of your Connect assignment c. Assuming a 4 percent and 8 percent discount rate, complete the table for present value factors (Round the final answers to 3 decimal places.) Year 1 PVIT 4 Percent 0.962 PVIF 8 Percent 0.926 Difference 0.036 C. Assuming a 4 percent and 8 percent discount rate, complete the table for present value factors. (Round the final answers to 3 decimal places.) PVIF 4 Percent 0.962 Year 1 5 10 PV Percent 0.926 Difference 0.036 20 d. This part of the question is not part of your Connect assignment e-1. Assume the initial investment is $160 What is the net present value of the expected values of $70 for the investment at a 8 percent discount rate?(Round "PV Foctor" to 3 decimal places. Negative answer should be indicated by a minus sign. Do not round intermediate calculations. Round the final answer to 1 decimal place.) Net present value e-2. Should the investment be accepted? ONo O Yes