The Wheeler Wheat Farm Sells Wheat to a Grain Broker

The Wheeler Wheat Farm sells wheat to a grain broker in Regina,Saskatchewan.Since the market for wheat is generally considered to be competitive,what does the Wheeler Farm do

A) It chooses the quantity of wheat to produce.
B) It chooses the price at which it sells its wheat.
C) It eliminates any fixed costs of production.
D) It enjoys a markup over marginal cost.