Figure 4-A The Diagram Below Represents the Market for Butter

Multiple Choice

Figure 4-A
The diagram below represents the market for butter.
-Refer to Figure 4-A.If a price floor of $4 is imposed, ____ units of butter will be sold.

A) 7,000
B) 5,000
C) 4,000
D) 3,000
E) 2,000