Refer to the diagram. If the price is $2 in the market, $2.00 Price (per gallon) 1.50 his 1.00 0 20 2728 30 35 Millions of gallons of milk per week Select one: O a. Prices decline and quantity demanded increase to clear the shortage O b. The market is at equilibrium O c. Prices rise and quantity demanded decrease to clear the shortage O d. There is neither a shortage or surplus