Marginal cost is calculated for a particular increase in output by A. multiplying the total cost by the change in output. B. dividing the change in total cost by the change in output. C. dividing the total cost by the change in output. D. multiplying the change in total cost by the change in output.

B) dividing the change in total cost by the change in output

Explanation:

Marginal cost(MC) is the cost incurred as a result of producing additional units of goods and services. It is calculated by dividing a change in total cost by a change in output.

That is,

Marginal cost(MC)= change in total cost(TC)/ change in output

Total cost(TC): This is the addition of fixed and variable cost in production.

Total cost(TC)= fixed cost (FC)+variable cost (VC)

Fixed cost (FC) are cost that doesn't change during the production process such as buildings, machineries and furniture.

Variable cost (VC) are cost that changes or are used up during production process such as raw materials.

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