Match each term with its correct definition by placing the appropriate letter next to the corresponding number.
A. efficiency
B. demand
C. law of demand
D. demand schedule
E. demand curve
F. market demand
G. quantity demanded
H. determinants of demand
I. substitute goods
J. complementary goods
K. supply
L. law of supply
M. determinants of supply
N. supply schedule
O. supply curve
P. equilibrium
Q. surplus
R. shortage
_______ a table listing the quantity demanded at each price