Final answer:
The sales floor is like a mirror to all employees because the image of yourself and your company will be reflected on the sales floor.
Step-by-step explanation:
The correct answer is b) mirror. The sales floor is like a mirror to all employees because the image of yourself and your company will be reflected on the sales floor. In this context, mirror is a metaphorical term that suggests that your actions and behaviors on the sales floor will have a direct impact on how you and your company are perceived by customers. Just like a mirror reflects your physical appearance, the sales floor reflects your professional demeanor and the overall reputation of your company.