Choice "A" is correct. Database marketing involves gathering information on customers and using the information from that database to segment customers into target markets for a more effective selling effort. Good Stuff's marketing research is locating potential customers based on traits exhibited in a database.
Choice "d" is incorrect. Transaction marketing involves attracting customers for a single sale. Good Stuff is selectively marketing and looking for repeat business.
Choice "c" is incorrect. E-marketing uses the internet to accomplish marketing functions. The fact pattern is silent about Good Stuff's communications methods. The best answer is database marketing.
Choice "b" is incorrect. Network marketing, sometimes referred to as multilevel marketing, focuses on relationships and referrals to accomplish marketing functions. Good Stuff is not developing a distributor network with its marketing efforts.