1. The amount of a good people want to buy will be influenced by the prices of substitutes and the prices of complements. The reading explained what each of these were. Let us see if you can distinguish them. Put a check mark in front of those pairs that are examples of substitutes.

a. sun screen and swim suits

b. shoes and shoe laces

c. flashlights and batteries

d. candles and flashlights

e. cranberry juice and apple juice

f. cats and dogs

g. chicken and beef

h. tennis rackets and tennis balls

i. copy machines and toner cartridges

j. tee shirts and golf shirts