Tina Owns a Workshop That Specializes in Making Intricate Wooden

Tina owns a workshop that specializes in making intricate wooden decorative items. She makes scale models of most of the existing objects around the world. She faces virtually no competition in her business and thus enjoys a stable growth. The opportunity of _____ is highlighted in the given scenario.

A) providing personal customer service
B) having lower overhead costs
C) using technology
D) exploiting market niches