Arbitrage is

A.

buying a product at a lower price than is typically possible

B.

charging higher prices to some customers and lower prices to other customers.

C.

buying a product in one market at a low price and reselling it in another market at a higher price.

D.

the practice of firms gathering information onconsumers' preferences and the responsiveness of consumers to changes in prices to rapidly adjust prices.

E.

paying different wages to different workers based on irrelevant characteristics such as race

race.