Refer to Situation 4-1. Because price controls were in effect at the time the embargo occurred, an economist would have most likely predicted that Select one: a. the number of dollars one would need to pay at the pump (legally) for a full tank of gasoline would increase sharply. b. the number of dollars one would need to pay at the pump (legally) for a full tank of gasoline would decline sharply. c. nonprice-rationing devices, such as long waiting lines and black markets, would appear. d. a surplus of gasoline would result.