1. Project A has an initial cost of $200, and produces cashflows of $80/year for years 1-4. Project B has an initial cost of $200, and produces cashflows of $100/year for years 1-3.
   1. Using an 11% cost of capital, which of these products is worth pursuing based on NPV?
   2. What is the payback period of each project?
   3. What is the profitability index of each project?