As It Stands Today,achieving a Complete,single-Source Data System Would

Multiple Choice

As it stands today,achieving a complete,single-source data system would

A) require augmenting secondary data on things like media exposure and purchase behavior.
B) combine the above with primary data on consumer knowledge,attitudes,motivations,information search,post-purchase reaction,etc.
C) be cost prohibitive to collect,even if relevant data could be identified.
D) All of these are correct.
E) None of theseare correct.