Answer: Cross Shopping
Step-by-step explanation: Cross shopping is a technique there a single consumer plays around different suppliers to get the goods of his/her liking. It involves having conflicting needs and purchasing premium and budget products. In this case,Calvin loves eating at mcdonald's claiming they have the best fries, but for dessert he likes to eat cakes only at kaminsky's. Since, Calvin is shopping from different suppliers to get the products of his liking his behavior will be called cross shopping.