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Which of the following statements is TRUE? Od. The payback period is the length of time it takes an investment to generate sufficient cash flows to enable the project to recoup its initial cost. b. A longer payback period is preferred over a shorter payback period. c. The regular payback period takes the time value of money into account, while the discounted payback period does not d. The payback method is biased toward long-term projects. Which of the following statements is TRUE? a. The NPV increases as the cost of capital increases. b. The IRR is the discount rate that makes the NPV greater than zero. C. IRR is a reliable measure for non-conventional cash flows and mutually exclusive projects. d. The vertical intercept on the NPV Profile graph can be found by taking the sum of all of the project's undiscounted cash flows