How could it be advantageous for a seller to estimate the equilibrium point of a product

Setting equal prices.

Explanation:

As an equilibrium is market price were the quantity of the goods that are supplied is equal to the quantity of the goods demanded.  In order to find out the equilibrium, the process is based on the demand and supply of the curve.  And is maintained by raising and lowering the prices a seller is advantageous when he is selling the goods at an equal price leads to the optimization of the profit.

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