Consider the market for new economics textbooks. The following graph shows the demand curve for new textbooks. Suppose that the publisher issues a new edition every four years and that a printed copy of the new 2018 textbook sells for a retail price of $120.
On the following graph, use the black point (cross symbol) to indicate the point on the demand curve at $120. (Note: Dashed drop lines will automatically extend to both axes.) Then answer the question that follows.
In 2018, at $120,____copies of the textbook are demanded, and the publisher’s revenue is $____