This document classifies costs according to their function within an organization. It identifies the main classifications of costs as production costs, administration costs, finance costs, selling costs, distribution costs, and research and development costs. Production costs include direct costs like materials and labor as well as indirect costs like supervision salaries and quality control. Administration costs are general management expenses like office rent and salaries. Selling costs promote sales, while distribution costs deliver products to customers through transportation and warehousing. Research and development costs create new products and improve existing ones.