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16. January February March April
Blue Balls 20.4 27.4 90 20.4
Red Balls 30.6 38.6 34.6 31.6

17. Items Sold in First Quarter of 2002
100
90
80
70
60
Blue Balls
50
Red Balls
40
30
20
10
0
January February March April

18. 100
90
90
80
70
60
Blue Balls
50
Red Balls
38.6
40
34.6
30.6 31.6
30 27.4
20.4 20.4
20
10
0
January February March April

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