The cost of capital is an important implicit cost of almost every business, representing the opportunity cost of the financial capital that has been invested in the business.
Active learning involves a firm having sales revenue of $1 million last year, spending $600,000 on labor, $150,000 on capital and $200,000 on materials.
Total cost curves can have different shapes such as Rising Marginal Cost where marginal cost rises as the quantity of output produced increases, U-Shaped Average Total Cost where average variable cost usually rises as output increases because of diminishing marginal product, and Efficient Scale which is the quantity of output that minimizes average total cost.
Total cost can be divided into two types: Fixed Costs which are costs that do not vary with the quantity of output produced and are incurred even if the firm produces nothing at all, and Variable Costs which change as the firm alters the quantity of output produced.
Economies of scale often arise because higher production levels allow specialization among workers, which permits each worker to become better at a specific task.