​Exhibit 4-11 Refer to Exhibit 4-11

Multiple Choice

​Exhibit 4-11 Refer to Exhibit 4-11.  Suppose that the government imposes a price ceiling in the market for good ABC at a price of $4.  How many fewer units would be exchanged at the price ceiling than would be exchanged if the market for good ABC were a free market?

A) 20
B) 40
C) 60
D) 80
E) 100