THE ANSWER BELOW WAS WRITTEN BY MY CLASSMATE PLEASE RESPOND TO IT IN BY ARGUING WITH THE ANSWER OR AGREEING TO IT , A PARAGRAPH OR TWO . THANKS !!

Variable costs are costs that change as the quantity of the good or service that a business produces changes. Variable costs are the sum of marginal costs over all units produced. They can also be considered normal costs. Fixed costs, also known as indirect costs or overhead costs, are business expenses that are not dependent on the level of goods or services produced by the business. They tend to be recurring, such as interest or rents being paid per month. These costs also tend to be capital costs. A mixed cost is a cost that contains both a fixed cost component and a variable cost component. It is important to understand the mix of these elements of a cost, so that one can predict how costs will change with different levels of activity. Mixed cost is the most accurate cost. Business can be very complicated with lots of different expenses. Looking about both variable and fixed cost let you see the whole picture. A way you can visualize cost behavior is by using a High-Low method. The high-low method involves taking the highest level of activity and the lowest level of activity and comparing the total costs at each level. This is useful because it gives you a way to compare cost.