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The elements that cause problems with the use of the IRR in projects that are mutually exclusive are referred to as the: a. timing and scale problems. b. timing and reversing flow problems. C. scale and reversing flow problems. d. discount rate and scale problems. discount rate and timing problems, e ABC is considering an investment with an initial cost of $200,000. In Year 4, the project will require an additional investment and finally, the project will be shut down in Year 5. The annual cash flows for Years 1 to 5, respectively, are projected as $94,000, $99,000, -$28,000, $170,000, and -$10,000. If all negative cash flows are moved to Time O using a discount rate of 13 percent, what is the project's percent. modified IRR is Ali is considering two mutually exclusive projects. Project A costs $84,500 and has cash flows of $32,300, $36,400, and $30,000 for Years 1 to 3, respectively. Project B has an initial cost of $79,000 and has cash flows of $31,300, $36,000, and $29,000 for Years 1 to 3, respectively. The incremental IRR of these two mutually exclusive projects? "Moving from project A to B is percent. The value of a 20-year, zero-coupon bond with a face value of $1,000 when the market required rate of return is 9.6 percent, compounded semiannually is $