Which of the following are examples of variable costs?

Variable costsare expenses that change in proportion to business activity or production volume.Raw materialsanddelivery costsdirectly increase as more products are produced. In contrast,rentandinsuranceare fixed costs that remain constant regardless of output levels.

“Variable costs are directly linked to production output. Raw materials and logistics (e.g., delivery) scale with order volume, impacting supplier pricing and buyer negotiations.”

(L4M5 Commercial Negotiation, 2nd edition, Section 2.1 - Direct and Variable Cost Classifications)