In creating a marketing information system, management would collect data from internal sources such as: a) Its suppliers. b) Its customers. c) Competitors’ marketing activities. d) Its sales figures. e) Economic conditions.

The correct answer is b) Its customers. One of the most critical sources of information for any marketing information system is the customers. The information collected from customers could include their demographic details, preferences, buying patterns, feedbacks, and complaints. By gathering and analyzing such information, management can identify the needs of their target audience and develop marketing campaigns accordingly. Additionally, customer information can be used to personalize the marketing message, which could result in increased customer satisfaction and a higher conversion rate. Therefore, collecting data from customers is a crucial part of developing an effective marketing information system.