The Diagram Below Shows the Market for Litres of Milk

The diagram below shows the market for litres of milk. FIGURE 5-8
-Refer to Figure 5-8.After the imposition of a milk quota at quantity ,the deadweight loss in this market is represented by

A) area 1.
B) areas 1 and 4.
C) areas 1,2,and 5.
D) areas 5 and 6.
E) areas 5,6,and 7.