The Following Are the Equations for the Supply and Demand

Multiple Choice

The following are the equations for the supply and demand curves in the market for weezils: where Qd is the quantity demanded, Qs is the quantity supplied, and P is the price per weezil in dollars.
-The United States typically experiences a large surplus of milk annually.This is caused by

A) a price ceiling in the market.
B) not enough demand for milk.
C) a price floor in the market.
D) overproduction of milk by the cows.