1. Your stock investments return 8%, 12%, and -4% in consecutive years. The geometric return is 5.06%. What is the sample standard deviation of the return?
2. An investment project has an installed cost of $518,297. The cash flows over the four-year life of the investment are projected to be $287,636, $203,496, $103,802, and $92,556, respectively. What is the NPV of this project if the discount rate is infinite?