Normative economics

Now suppose competition among several market makers forces the spread down to $4 . How many goods are traded?

a. Four b. Five c. Six d. Seven

Over the inelastic range of a demand curve, there is

A) a positive relationship between a given percentage change in price and a change in total revenues. B) a negative relationship between a given percentage change in price and a change in total revenues. C) an increase in total revenues regardless of an increase or decrease in price. D) no relationship between changes in price and changes in total revenues.