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Which of the following statements about marketing environment forces is not correct? Select one: a. They can fluctuate quickly and dramatically. b. They fluctuate slowly and thereby create threats to a firm's marketing mix. c. They may influence customers' reactions to a firm's marketing mix. d. They help determine whether and how a marketing manager can perform certain marketing activities. e. They influence customers by affecting their lifestyles, standards of living, and preferences and needs for products. The marketing concept is not a second definition of marketing; it is a marketing philosophy guiding: Select one: a. customer relations. b. marketing activities. c. the efforts of sales personnel. d. only business organisations. e. an organisation's overall activities. The focal point of all marketing activities is: Select one: a. products. b. profits. c. the marketing mix. d. sales. e. customers. Customer benefits include a buyer receives in an exchange. Select one: a. the service b. anything c. the value d. the product