Refer to the figure below. Let εX denote the price elasticity of demand at point X. Which of the following describes the relationship between εA, εB and εC? 
Definitions:
Convenience
The ease and speed with which a product or service can be obtained or used, often a critical factor in consumer decision-making.
Product Differentiation
The process of distinguishing a product or service from others in the market to make it more attractive to a target audience.
Shopping Product
Goods that consumers purchase after comparing quality, price, and style from several sellers, requiring more decision-making effort than routine purchases.
Promotion
A marketing strategy aiming to increase customer awareness and interest in a product or service, often involving special offers.
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