Complete question :
Sarah owns Fine Cuts hair salon. Hairdressers each rent a chair in the salon where they can style customers' hair, and Sarah provides receptionist services, maintains the space, and sells some hair care products at the front of the salon. The hairdressers must pay 35 percent of their profits to Sarah in return for the chair space and earn a commission for each hair product that they sell. Is Sarah selling the hairdressers a security in Fine Cuts?
Answer: No, the hairdressers are not expecting to earn money predominately from Sarah's efforts
Explanation: Based on the description above, Sarah maintains full ownership of the salon and she's not selling any stock or security of Fine Cuts. Because security involves a financial instruments such as stocks or bonds which are sold to investors in other to acquire capital needed to operate a business. Here, Sarah makes her profit directly off the work done by the hairdressers and the items sold to customers by offering them working space and she's in turn paid a certain percentage of their earning.