ECONOMICS

Detailed explanation-1: -Examples of variable costs are sales commissions, direct labor costs, cost of raw materials used in production, and utility costs. Variable costs are usually viewed as short-term costs as they can be adjusted quickly.

Detailed explanation-2: -Examples of variable costs are raw materials, piece-rate labor, production supplies, commissions, delivery costs, packaging supplies, and credit card fees.

Detailed explanation-3: -Answer and Explanation: The sales commission cost is a variable cost as the amount varies proportionately with the number of units sold for a product, which in turn governs the production volume as well.

Detailed explanation-4: -This happens when a company bills a client for the hours its employees work-they only get paid based on the hours the company can bill. Commission is also a variable cost as salespeople only get paid if they sell a product or service.