GI Design Is a Small Studio That Designs and Builds

GI Design is a small studio that designs and builds items such as fountains and tabletops made from copper.Greg,the owner,wanted to know how to increase sales and profits,so he developed a research plan to determine what landscape architects and interior designers wanted in copper furnishings and décor and the appropriate price for these items.He decided to interview representative designers as part of his approach.Greg was engaged in __________,the third step of the five-step marketing research approach.

A) developing the research plan
B) solving the problem
C) developing findings and recommendations
D) collecting relevant information
E) taking marketing actions