A bumper-to-bumper warranty on a used car is a signaling device that

A bumper-to-bumper warranty on a used car is a signaling device that

A) identifies a high-quality car as a high-quality car, because putting such a warranty on a low-quality car would be prohibitively costly.
B) disguises a low-quality car as a high-quality car, and thus makes it easier to sell.
C) is necessary in order to sell a low-quality car at all. Without it no one would risk buying the car.
D) isn’t necessary if there is a mix of high-quality and low-quality cars in the market.
E) helps sellers determine whether the buyer is truly looking for a high-quality car.

ANSWER

A