D If IRR is great than WACC, then it must be true that: O NPV is positive. O NPV is negative. Payback Period is short. O the project should be accepted. O NPV is zero. Question 15 Which of the following is the least important factor in investment decision making? 1. Opportunity cost II. Sunk cost III. Positiveegative side effects Oll only OI and II I only since it is not a real cost