Sales price per case Variable cost per case Cases sold per foot of shelf space per day Limeade $ 22.10 16.10 25 Lemonade $ 26.00 18.70 24 Ginger Ale $ 21.30 16.60 3 Grape Juice $ 45.50 35.50 6 The contribution per foot of shelf space per day for Limeade is: Multiple Choice $153.00 O $150.00 O $142.00. $122.40. O O $141.90