Use the Figure Below to Answer the Following Question

Multiple Choice

Use the figure below to answer the following question.

Figure 11.4.3
-Refer to Figure 11.4.3 which shows a firm's long-run average total cost curve. An increase in production from Q₁ to Q₂ sweaters per day produces

A) the minimum efficient scale.
B) economies of scale.
C) diseconomies of scale.
D) constant total costs.
E) constant returns to scale.