The efficient quantity of a public good is the quantity that has the highest possible marginal social benefit

The above table gives some production and cost information for Flaming Fernando's, a restaurant that sells Fiery Frijoles. What is the average total cost of producing 4,500 frijoles?

A) $2 B) $225 C) $9000 D) More information is needed to determine the answer.

If two variables B and V are negatively correlated, B ________ when V ________

A) goes up; goes down B) goes up; goes up C) goes down; goes down D) remains unchanged; goes down