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A rational decisionmaker
A. ignores marginal changes and focuses instead on “the big picture.”
B. takes an action only if the combined benefits of that action and previous actions exceed the combined costs of that action and previous actions
C. ignores the likely effects of government policies when he or she makes choices
D. takes an action only if the marginal benefit of that action exceeds the marginal cost of that action


Sagot :

The Answer is Option B.