Refer to the figure above. In this market, if all buyers’ reservation prices for a cup of coffee increased by $1.00；A.the equilibrium price would not change.

B.the equilibrium price would increase by more than $1.00.

C.the equilibrium price would increase by less than $1.00.

D.the equilibrium price would increase by $1.00.

正确答案：the equilibrium price would increase by less than $1.00.