the vertical axis of a demand curve shows\nthe price of a product.\nthe supply of a product.\nthe interest…

the vertical axis of a demand curve shows\nthe price of a product.\nthe supply of a product.\nthe interest in a product.\nthe production cost of a product.
Answer
Answer:
A. the price of a product
Brief Explanation:
In a demand - curve, the vertical axis represents the price of the product, while the horizontal axis represents the quantity demanded. This is a fundamental concept in economics.