Home Designs, Inc. Home Designs, Inc. Leveraged Its Brand Name Recently by Adding

Home Designs, Inc.
Home Designs, Inc. leveraged its brand name recently by adding windows and roof-related work and installation. On the same acreage where Home Designs has a door manufacturing facility, the company built another production facility for making windows. Sherice, the owner, is considering the strategic management approach necessary to determine how to take advantage of the company's strengths and exploit its opportunities.
-Refer to Home Designs, Inc. If Home Designs markets its products as highly reliable and backed by a unique service guarantee in a two-state region, it is adopting which of Porter's generic strategies?

A) Differentiation
B) Cost leadership
C) Cost focus
D) Focused differentiation
E) Rational