Answer to Puzzle Contest:

The maximum number is 172, as follows:

one $0.16 apple
one $0.11 orange
one $0.06 pear
169 $0.01 lemons
total price: $2.02

The minimum number is 4, as follows:

one $0.58 apple
one $0.53 orange
one $0.48 pear
one $0.43 lemon

Statistics:
# of Answers: 25
# of Correct Answers: 13
Percentage for Attempts: 52%

Winner: Carl Kirkland