Problem for you.
You have a project that could pay $10mm in 5 years. It requires a $100,000 investment today. The probability of reaching success in year five is 25%. The required rate of return is 12%?
What is the NPV of the project and should you accept it?
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Most people were right on the money.
PS = .25
PF = .75
NPV of S = -100,000 + (1,000,000/(1.12)^5)) = 5,574,269
NPV of F = -100,000
Expected NPV = .25 * 5,574,269 + .75 * -100,000 = $1,318,567
Accept Project