Measure the risk associated with the project, considered in Example 18.18 by standard deviation. Assume that the cash flows of the three years are independent. Also determine EVPI of the investment proposal.

The pertinent information is reproduced here:

Year 1 Year 2 Year 3 Cash Flow Probability Cash Flow Probability Cash Flow Probability 30,000 0.2 30,000 0.1 40,000 0.3 40,000 0.4 50,000 0.4 60,000 0.3 50,000 0.3 80,000 0.4 80,000 0.2 60,000 0.1 90,000 0.1 1,00,000 0.2