Todd Haitz Is the Marketing Manager for the National Basketball

Todd Haitz is the marketing manager for the National Basketball Association.Todd analyzes and tracks his marketing campaigns to determine the best success rate per project for increasing ticket sales.Todd uses an internal KPI to track his marketing campaign success.Which of the following would be an internal KPI Todd would use to track his marketing campaigns?

A) marketing campaign ROI
B) marketing campaign percentage of fans purchasing Sports Illustrated magazine
C) marketing campaign advertiser revenue sales
D) marketing campaign market share