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Supply and Costs
Companies have to spend money in order to make money. The money they spend to manufacture their goods or provide their services are called costs. Costs are important. Company that does Any not keep track of costs will soon be in
trouble. There are many And different kinds of costs to keep track of such asfixed costs and variable costs.
Why are costs important? Well, for two reasons: Firstly, there is a relationship between costs and profit. Profit is overall revenue minus costs. Secondly, there is a relationship between costs and supply. Understand this relationship To, we need to look at some types of cost.
One type is fixed costs. Fixed costs are costs that do not change. They are costs that the company has to pay each month, for example, or each year. The value of fixed costs will not rise or fall in the short term. Include the rent Examples
the company pays, the interest they have to
pay each month on any loans and the salaries they have to pay for permanent employees.
The good news about fixed costs is that they
do not change with increases in production. Example For, imagine a company produces 1,000
pens in January and 2,000 in February pens. The rent for the factory remains the same for both months .Variable costs, however, change (vary) with the size of production. The more pens the company produces, the more these costs increase. Examples of variable costs are the raw materials needed for production, the cost of electricity and the cost of maintaining machines that are working more. Also, the company may need to get more part-time employees. Their hourly pay is another variable cost. In unit 1, we said that the price of a product or service increases as supply increases. Costs are the Variable reason why.
In a perfect world, variable costs will increase steadily as production increases. Is called constant This return to scale and it is shown in
figure 3 on page 27. However, this is not a perfect world! Sometimes, variable costs rise at a faster rate than production. This nasty situation, which is called a dis-economy of scale, is shown in figure 4 on page 27. On the other hand, companies sometimes get lucky. Costs can rise Variable
at a much slower rate The than production. This is called an economy of scale, and is shown in figure 5 below.
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