$($Exhibit: Supply and Demand in Agriculture$)$ If the government set an effective price floor at one of the prices shown on the vertical axis:

Question $13$ options:

A with this much wheat on the market, the price would fall to $P_1.$

B $Q_3$ bushels of wheat would be supplied.

C the resulting shortage would be made up by the government out of its accumulated stocks.

D all of the above would be true.