Which retail recommendation strategy is known as the 'Golden Triangle' in grocery store layout design?

In today's competitive food retail landscape, recommendation systems guide product placement and customer discovery in fascinating ways. Supermarkets and food brands use sophisticated strategies to influence purchasing decisions that most shoppers never notice. Test your knowledge about how food retailers strategically position products to maximize sales and enhance customer experience!

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The placement of essential items at the front, middle, and back of the store to ensure customers traverse the entire space
The area between the entrance, the checkout, and the highest-selling perishable department (usually dairy) where premium products are placed
The three-tiered shelf system where highest-margin items are placed at eye level, budget items below, and specialty items above
The triangulation of scent diffusers that release bakery, coffee, and roasted food aromas to stimulate appetite throughout the store