The following are the cash flows of two independent projects: Year 1 2 3 4 Project A Project B $(210) $(210) 90 110 90 110 110 90 90 a. If the opportunity cost of capital is 12%, calculate the NPV for both projects. (Do not round intermediate calculations. Round your answers to 2 decimal places.) NPV Project Project A Project B b. Which of these projects is worth pursuing? O Project A O Project B Both O Neither