When different investment rules give conflicting answers, then decisions should be based on the Internal Rate of Return (IRR)rule, as it is the most reliable and accurate decision rule.

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When different investment rules give conflicting answers, it is important to consider the strengths and weaknesses of each rule and to take a holistic view of the investment decision. The IRR rule is one of several popular decision rules, but it is not always the most reliable or accurate. Other rules, such as the net present value (NPV) rule and the profitability index (PI) rule, may be better suited to certain investment situations. Ultimately, the choice of decision rule will depend on the specific characteristics and goals of the investment, as well as the preferences and risk tolerance of the decision maker.

When Different Investment Rules Give Conflicting Answers, Then Decisions Should