Reflex Parts Has Prepared a Direct Marketing Campaign but Has

Multiple Choice

Reflex Parts has prepared a direct marketing campaign but has a limited budget. It can send the mailer to the entire city twice or it can focus on one segment of the city and send it four times. The decision Reflex is trying to make can be best described as

A) approach.
B) frequency.
C) reach.
D) continuity.
E) cost per thousand.