Refer to the Following Passage to Answer the Questions Below

Multiple Choice

Refer to the following passage to answer the questions below.
Allison works in the media department of a major advertising agency that has several national advertisers as clients.Her responsibilities include identifying specific media vehicles,such as TV programs,newspapers,magazines,or radio programs and stations for clients' advertising;negotiating the costs to advertise in them;and handling the details of billing and payment.Although one of the agency's major clients advertises primarily in magazines,the media plan calls for the use of newspaper advertising as well.
-What is Allison's job function?

A) media planner
B) rate negotiator
C) media buyer
D) account planner
E) account buyer