Projects a and b are mutually exclusive and have an initial cost of $82,000 each. project a provides cash inflows of $34,000 a year for three years while project b produces a cash inflow of $115,000 in year 3. which project(s) should be accepted if the discount rate is 11.7 percent? what if the discount rate is 13.5 percent? a) accept a at both discount rates b) accept a at 11.7 percent and neither at 13.5 percent c accept b at both discount rates d) accept both at 11.7 percent and neither at 13.5 percent e) accept b at 11.7 percent and neither at 13.5 percent