Productive efficiency does not hold for a profit-maximizing, monopolistically competitive firm in the long-run equilibrium because the firm operates along the diseconomies-of-scale region of its average total cost curve

If the price of a good increases, all else the same, then the consumer's total utility will

A) increase. B) decrease. C) remain the same as consumption shifts to cheaper goods. D) decrease if there are no substitutes for the good and remain the same if there are substitutes for the good.

The above figure shows the market for anti-freeze. The government imposes the sales tax shown in the figure on sellers. How much tax revenue does the government raise from this tax?

A) $2,000 B) $3,000 C) $4,000 D) $6,000