When producing the profit-maximizing output, the amount of the firm's profit is when the marginal cost is equal to the marginal revenue.
A manager maximizes the profit for a firm when the value of the last unit of product equalises the cost of producing the last unit of production .
Profit maximizing level of production is determined as marginal cost and marginal revenue
As long as the revenue of producing another unit of output or MR is larger than the cost of producing that produced unit of output or MC, the firm will increase the profits by using more quantity of variable input to produce more quantity of output.
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