"The part was found defective, and it was determined that there is a defect in the button causing it not to fit into the chassis." This statement is an example of a

An ad agency's copywriters are part of the agency's ________

A) creative services B) account management C) marketing services D) editorial department E) media planning

Product mix ________ refers to the number of different product lines the company carries

A) length B) height C) width D) consistency E) depth