Final answer:
True statements about service retailers include that they are a significant part of the retail industry, sell primarily services instead of merchandise, and encompass entities like health clubs and dry cleaners. The service industry has seen substantial growth, with service sector jobs now representing a major portion of the job market.
Step-by-step explanation:
Service retailers play a significant role in the retail industry and are characterized by some distinct features. Among the given options, the following statements about service retailers are true: they are a large part of the retail industry; they primarily sell services rather than merchandise; and they include health clubs and dry cleaners.
Service retailers are diverse and can be found at all levels of the urban hierarchy, ranging from small "Mom and Pop firms" like corner stores in inner cities to large chains in mega-cities offering high-order services. These retailers cater to various needs and continue to grow as the service sector expands. It is not accurate to say they are largely self-serve or that they are a shrinking part of the retail industry. In fact, jobs in the service industries have grown significantly, representing a shift from the primary and secondary economic sectors.
Mom and Pop firms may continue to operate even without earning significant economic profits due to personal satisfaction, community service, or life goals that extend beyond financial gain.