Final answer:
Dillard's department store is part of the merchandising sector, focusing on retail and the sale of apparel and other goods, distinguishing it from companies like Ford, Hewlett-Packard, and accounting services.
Step-by-step explanation:
The company that is part of the merchandising sector of our economy from the options provided is Dillards. Dillard's is a department store chain that sells apparel, accessories, and home goods to consumers, making it a firm in the goods market, specifically focused on retail merchandising. In contrast, Ford is involved in the manufacturing and transportation sector, producing vehicles. Hewlett-Packard operates in the technology and computer hardware sectors, while Michael Jordan Accounting Services is a service-based firm likely involved in both firms in the labor market and households in the financial market.