Cost of goods sold determined under the FIFO perpetual system method is the same as under the FIFO periodic inventory system Multiple choice question. only when inventory remains stable. under all circumstances. only when per unit costs rise.

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars