Rollins Steel Corporation, a Leader in Industrial Supplies, Has Identified

Rollins Steel Corporation, a leader in industrial supplies, has identified its auto battery unit as having a dominant market share; however, it has low prospects for growth. The unit currently generates more cash for Rollins Steel than is required to maintain its market share. According to the Boston Consulting Group, the auto battery unit would be classified as a _____

A) dog.
B) cash cow.
C) star.
D) cash contributor.
E) question mark.