Wars of attrition arise in which of the following contexts?

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.

The above figure shows four different markets with changes in either the supply curve or the demand curve. Which graph best illustrates the market for tea after severe weather destroys a large portion of the coffee crop?

A) Graph A B) Graph B C) Graph C D) Graph D