GE Uses "Imagination at Work" as Its Slogan

GE uses "Imagination at Work" as its slogan. La-Z-Boy Incorporated uses the slogan "Comfort. It's what we do." Why do these companies most likely use slogans?

A) To use the marketing mix
B) To meet product standards
C) To create a euphemistic ad image
D) To provide continuity for an ad campaign
E) To provide quick recognition at the point of purchase