during a recent shopping trip to the local target store, pat noticed several things. first, she noticed that the store offered a tremendous variety of products, including toys, pet foods, clothing for men, women and children, health and beauty aids, small household appliances, automotive products and more. further, pat noticed target offered an array of different products within each product grouping. each product grouping at target is an example of a(n) ; all of the product groups together constitute target's .