9 multiple choice 4 points part 1: main idea total cost is the sum of fixed costs and marginal cost fixed…

9 multiple choice 4 points part 1: main idea total cost is the sum of fixed costs and marginal cost fixed costs and variable costs marginal cost and variable costs fixed, marginal, and variable costs

9 multiple choice 4 points part 1: main idea total cost is the sum of fixed costs and marginal cost fixed costs and variable costs marginal cost and variable costs fixed, marginal, and variable costs

Answer

Brief Explanations:

In economics, total cost is the sum of fixed costs (costs that do not change with the level of output) and variable costs (costs that vary with the level of output). Marginal cost is the change in total cost when one - more unit is produced and is not part of the basic components that make up total cost in the fundamental sense.

Answer:

B. fixed costs and variable costs