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Direct materials cost the cost of direct materials which can be easily identified with the unit of production. For example, the cost of glass is a direct materials cost in light bulb manufacturing. [1] The manufacture of products or goods requires material as the prime element. In general, these materials are divided into two categories.
Cost of goods sold (COGS) (also cost of products sold (COPS), or cost of sales [1]) is the carrying value of goods sold during a particular period.. Costs are associated with particular goods using one of the several formulas, including specific identification, first-in first-out (FIFO), or average cost.
Indirect materials cost: Indirect materials cost is the cost associated with consumables, such as lubricants, grease, and water, that are not used as raw materials. Other indirect manufacturing cost: includes machine depreciation, land rent , property insurance , electricity , freight and transportation, or any expenses that keep the factory ...
Overall costs of capital projects are known to be subject to economies of scale. A crude estimate is that if the capital cost for a given sized piece of equipment is known, changing the size will change the capital cost by the 0.6 power of the capacity ratio (the point six to the power rule). [16] [d]
Labor costs are direct costs, that is, they can be identified among the total cost and assigned to a certain cost objective. [1] Labor costs are defined by categories (e.g. service labor or manufacturing labor), the attribution of a labor rate for each category, and a certain number of labor hours. [1]
Let us assume that standard direct material cost of widget is as follows: 2 kg of unobtainium at € 60 per kg ( = € 120 per unit). Let us assume further that during given period, 100 widgets were manufactured, using 212 kg of unobtainium which cost € 13,144. Under those assumptions direct material usage variance can be calculated as:
The marginal cost can also be calculated by finding the derivative of total cost or variable cost. Either of these derivatives work because the total cost includes variable cost and fixed cost, but fixed cost is a constant with a derivative of 0. The total cost of producing a specific level of output is the cost of all the factors of production.
A production price for outputs in Marx's sense always has two main components: the cost-price of producing the outputs (including the costs of materials and equipment used, operating expenses, and wages) and a gross profit margin (the additional value realized in excess of the cost-price, when goods are sold, which Marx calls surplus value).