A(n) ________ is a group of firms offering a product or class of products that are close substitutes for one another. Marketing Management Chapter 10 A(n) ________ is a group of firms offering a product or class of products that are close substitutes for one another. A) community B) task force C) industry D) focus group E) umbrella brand Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+