In Discussing the Structure of the Marketing Research Industry,your Authors

In discussing the structure of the marketing research industry,your authors define an external supplier firm as one which:

A) makes research decisions based primarily upon information supplied by the internal reports system
B) is an outside firm hired to fulfill a firm's marketing research needs
C) provides syndicated services but only to members of the syndicate
D) provides marketing research obtained from records of the Internal Revenue Service
E) provides marketing services to companies outside the firm's home country