A rational decision maker __________.A. ignores the likely effects of government

A rational decision maker __________.A. ignores the likely effects of government policies when heor she makes choicesB. ignores marginal changes and focuses instead on the bigpictureC. takes an action only if the marginal benefit of thataction exceeds the marginal cost of that actionD. takes an action only if the combined benefits of thataction and previous actions exceed the combined costs of thataction and previous actions