An office supply store sells a ream of printer paper at a fixed price of $4.50. Which of the following is a term used by economists to describe the money received from the sale of an additional ream of paper?

The symmetry principle is the requirement that

A) people in similar situations be treated similarly. B) Society's income be distributed symmetrically among its members. C) the poorest 20 percent of households should receive the same total income as the richest 10 percent of households. D) the average person be made as well off as possible.

Refer to Figure 11-10. Identify the minimum efficient scale of production

A) Qa B) Qb C) Qc D) Qd