Potato farmers in Idaho can sell as large a quantity of their potato crop as they wish,

Select one:

a. if they set their own price in the short run, but in the long run, the market sets the price.

b. if they set their own price in the long run, but in the short run, the market sets the price.

c. provided each is willing to accept the prevailing market price.

d. provided quality is perceptible and determines the market price.