The article "Auto Dealers See Mixed Signals" states, "Lithia Motors said it expects gross profit per unit to decline to $$3,800$ by the end of the year, closer to pre$-$pandemic levels than last quarter$$s $$5,691."$ Which of the following could NOT have contributed to the unusually high gross profit per unit?

The article "Auto Dealers See Mixed Signals" states, "Lithia Motors said it expects gross profit per unit to decline to $$3,800$ by the end of the year, closer to pre$-$pandemic levels than last quarter$$s $$5,691."$ Which of the following could NOT have contributed to the unusually high gross profit per unit?

Delivery and manufacturing delays led many customers to pay higher prices for immediately available inventory

Tax incentives for purchasing electric vehicles led Lithia Motors to increase its prices on the cars.

A surge in the prices of used cars meant that Lithia Motors had to pay higher prices from individuals looking to sell a used car.

A decrease in the cost of cleaning their showrooms, which had surged in $2021.$