Final answer:
Product pricing is not part of the physical surroundings of a retail store that can influence purchase decisions.
Step-by-step explanation:
The answer is 3) Product pricing.
The physical surroundings of a retail store include factors such as store layout, lighting, and customer service, which can all influence how purchase decisions are made. Store layout affects the flow of customers within the store and the ease of finding products. Lighting can create a welcoming atmosphere and highlight products. Customer service can impact a customer's overall experience and satisfaction.
Product pricing, however, is not directly a physical aspect of the store. It is a strategic decision made by the retailer and is often influenced by factors such as supply and demand, competition, and marketing strategy.