## Marginal Average Cost” revenue “” profit “

### Marginal cost deals with the additional cost per unit, average cost represents the total cost per unit, marginal revenue relates to the additional revenue per unit, and profit is the difference between total revenue and total cost.

1. Marginal Cost: Marginal cost refers to the additional cost incurred by producing one more unit of a product or providing one more unit of a service. It helps determine the change in total cost divided by the change in quantity produced. Mathematically, marginal cost can be represented as:

Marginal Cost (MC) = (Change in Total Cost) / (Change in Quantity)

For example, if the total cost of producing 10 units is $1000 and the total cost of producing 11 units is $1050, the marginal cost of the 11th unit would be $50 ($1050 – $1000).

2. Average Cost: Average cost, also known as average total cost (ATC), refers to the total cost per unit of output. It provides an understanding of the efficiency and profitability of producing each unit. Mathematically, average cost can be calculated as:

Average Cost (AC) = Total Cost / Quantity

For instance, if the total cost of producing 100 units is $5000, then the average cost of each unit would be $50 ($5000 / 100).

3. Marginal Revenue: Marginal revenue represents the additional revenue generated by selling one additional unit of a product or service. It essentially describes the change in total revenue resulting from the sale of one more unit. In mathematical terms, marginal revenue can be expressed as:

Marginal Revenue (MR) = (Change in Total Revenue) / (Change in Quantity)

For example, if the total revenue from selling 10 units is $1000 and the total revenue from selling 11 units is $1050, the marginal revenue of the 11th unit would be $50 ($1050 – $1000).

4. Profit: Profit refers to the financial gain obtained when the total revenue generated from selling a product or service exceeds the total cost incurred in producing it. Mathematically, profit can be calculated as:

Profit = Total Revenue – Total Cost

If the total revenue from selling 100 units is $5000 and the total cost of producing those units is $4000, then the profit would be $1000 ($5000 – $4000).

In summary, marginal cost deals with the additional cost per unit, average cost represents the total cost per unit, marginal revenue relates to the additional revenue per unit, and profit is the difference between total revenue and total cost.

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