Coffee Shop Owner Gail Blumenthal Enjoyed Her Shop,but Her Real

Coffee Shop owner Gail Blumenthal enjoyed her shop,but her real love is antique dishes.When a store site became available near her New Orleans shop,she opened Yesteryear,a store devoted to selling antique dishes and kitchenware.Both stores are doing well,and Blumenthal splits her time between the two establishments.Blumenthal recognized a(n) _____ opportunity.

A) related diversification
B) horizontal integration
C) market penetration
D) unrelated diversification
E) vertical integration