Supply and demand. At a price of $2.28 per bushel, the supply of barley is 7,500 million bushels and the demand is 7,900 million bushels.At a price of $2.37 per bushel, the supply is 7,900 million bushels and the demand is 7,800 million bushels.
(A) Find a price supply equation of the form p=mx+b.
(B) Find a price demand equation of the form p=mx+b.
(C) Find the equilibrium point.
(D) Graph the price supply equation, price demand equation, and equilibrium point in the same coordinate system.