Answer:
E) Rational decision making
Step-by-step explanation:
Based on the scenario being described within the question it can be said that Greg is following a rational decision making perspective. This perspective focuses on a process that favors making decisions based on logic, objectivity, and analysis over subjectivity and insight. Which in this case, focusing on making the best overall purchase for the budget that Greg is on is the most logical and financially correct decision, therefore it is a rational decision.