Cost accounting is helpful because it can identify where a company is spending its money, how much it earns, and where money is being lost. Cost accounting aims to report, analyze, and lead to the improvement of internal cost controls and efficiency. Even though companies cannot use cost accounting figures in their financial statements or for tax purposes, they are crucial for internal controls.
These will vary from industry to industry and firm to firm, however certain cost categories will typically be included (some of which may overlap), such as direct costs, indirect costs, variable costs, fixed costs, and operating costs.