This doesn’t involve someone who obtains an item at a high price, but sells many copies of the original at a lower price.

This doesn’t involve someone who obtains an item at a high price, but sells many copies of the original at a lower price. In (B), the art dealer sells the original painting that he bought rather than copies of it. If anything, (B) fits as analogous Mackay’s view, not Garber’s.

This doesn’t involve someone who obtains an item at a high price, but sells many copies of the original at a lower price. Here, the person sells the same box of parts that he once bought. Selling copies is important to the analogy because part of Garber’s argument asserts that someone who buys at a high price might make profits by selling bulbs made through “reproduction” from the original bulb.

This is the only answer that involves someone buying something at a high price (”pays an extremely high price for a new novel”) and selling copies of the thing that she bought at a lower price (”sells copies at a price affordable to nearly everyone.

This doesn’t involve someone who obtains an item at a high price, but sells many copies of the original at a lower price. Here, the airline didn’t buy anything; it’s just selling.