Many firms have the position of CIO on their organization charts. The primary role of the person filling this position is to

a$.$ run the company's information and computer systems like a business.

b$.$ concentrate on the technical aspects of programming within the DSS$.$

c$.$ serve as the liaison between the marketing department and other departments such as finance, production, and accounting.

d$.$ gather relevant data for the DSS database.

e$.$ assist the Vice President of Marketing.