When Gathering Marketing Intelligence,companies Often Use the Population Census,which Provides

When gathering marketing intelligence,companies often use the population census,which provides an in-depth look at the population swings,demographic groups,regional migrations,and changing family structure.Which of the following steps to improve the quality of a company marketing intelligence system would be most closely associated with this illustration?

A) A company can purchase information from outside suppliers.
B) A company can take advantage of government data sources.
C) A company can use online customer feedback systems to collect data.
D) A company can network externally.
E) A company can use its sales force to collect and report data.