The cash flows and discount rate for projects a, b, c, and d are expected to be: b. a. C. d. Project: - 1,000 Year 0 -1,500 --500 -2,000 Year 1 400 500 100 600 Year 2 400 500 300 80 Year 3 400 700 250 200 Year 4 400 200 200 300 Discount rate 10% 12% 15% 8% If they are independent, which one(s) should be undertaken? Projects a and c. Projects a. Project a, b, and c. Project c