Figure A1
A refrigerated display case with various yogurt options. The case is divided into three sections. The left section contains Healthy Choice yogurt with prices ranging from 3.99 to 4.99. The middle section also contains Healthy Choice yogurt with prices ranging from 3.99 to 4.99. The right section contains Rich and Creamy yogurt with prices ranging from 3.99 to 4.99.Virtual shelf