Which Scenario Best Illustrates Reinforcement in Purchasing Decisions

Multiple Choice

Which scenario best illustrates reinforcement in purchasing decisions?

A) a chef purchases mushrooms for a second time from a wholesaler, even though the first order was disappointing
B) an appliance distributor replaces a dishwasher free of charge and provides excellent after-sales service
C) a needle on the gas gauge signals a driver to pull into a gas station
D) the smell of hot dogs at a ballpark induces an obese man to order "a dog with everything on it"