-Dustin's Copy Shop Can Use Four Alternative Plants

Multiple Choice

-Dustin's copy shop can use four alternative plants. The figure above shows the average total cost curves for Plant 1 (ATC₁) , Plant 2 (ATC₂) , Plant 3 (ATC₃) , and Plant 4 (ATC₄) . Dustin's minimum efficient scale is

A) 2,650 copies per day.
B) 6,000 copies per day.
C) 4,000 copies per day.
D) More information is needed to determine the minimum efficient scale.