Tara is evaluating two mutually exclusive capital budgeting projects that have the following characteristics: If the firm's required rate of return is 8 percent, which project should be purchased? a. Both projects should be purchased. b. Neither project should be purchased. c. Project Q should be accepted, because its net present value (NPV) is higher than Project R's NPV. d. Project R should be accepted, because its net present value (NPV) is higher than Project Q's NPV. e. None of the above is a correct