ECONOMICS

Detailed explanation-1: -The term mixed cost describes a cost that has a mix of fixed and variable costs. For example, a monthly salary plus a commission is a mixed cost because it has a fixed component per month and a variable component of $per unit.

Detailed explanation-2: -Marginal cost includes both fixed cost and variable cost.

Detailed explanation-3: -Fixed costs remain the same no matter how many units you produce or sell. Variable costs are directly tied to your sales and production. They fluctuate as your output increases and decreases. Mixed costs are a combination of your fixed and variable costs.

Detailed explanation-4: -A mixed cost is a cost that contains both fixed costs and variable costs. This means that some costs do not change and others might. A mixed cost is also called a semi-variable cost. To calculate a mixed cost, one must determine the fixed and variable costs, and then add them together to get the total cost.

Detailed explanation-5: -The correct answer is option B. Fixed costs are constant in total, and variable costs are constant per unit.