A company can take several steps to improve the quality of itsmarketing intelligence. If the company

A company can take several steps to improve the quality of itsmarketing intelligence. If the company purchases competitiveproducts for study, attends open houses and trade shows, and readscompetitors’ published reports and stockholder information, thecompany is using ________ to improve the quality of its marketingintelligence.
A. customer feedback systems
B. advisory panels
C. external networks
D. sales force surrogates
E. intermediaries