Final answer:
The question is about different types of retailers and their approach to sales assistance.
Step-by-step explanation:
The subject of the question is related to the different types of retailers who provide sales assistance to customers. These include specialty-service retailers, off-price retailers, full-service retailers, limited-service retailers, and self-service retailers.
Specialty-service retailers, like Sears, focus on carrying a wide range of shopping goods about which customers need information. They provide more sales assistance, but this results in higher operating costs and, consequently, higher prices.
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