A Basic Marketing Information System Includes ________

A basic marketing information system includes ________.

A) managers at all levels,corporate culture,and external and internal data
B) data,computer hardware and software,as well as decision makers
C) existing data,market researchers to gather more data,and the technology to convert those data into information
D) information resources,technical experts,and marketing managers
E) competitive intelligence,internal records,all sales personnel,and all managers