According to my text book, depreciation is a Fixed cost
Units-of-production
yes..depreciation cost is the variable cost..
depreciation is classed as a fixed cost when using only the straight line method. reducing balancing method is classed as a variable cost.
Depreciation is a fixed cost because variable cost is that cost which change with the change in the production units but it doesn't put any effect on depreciation as depreciation of the equipment will remain same no matter you produce maximum number of units or produce no unit in fiscal year.
To calculate net profit for a venture (such as a company, division, or project), subtract all costs, including a fair share of total corporate overheads, from the gross revenues or turnover. Net profit ($) = Sales revenue ($) - Total costs ($). This is the simplest definition of profit. Another common way of counting profit is EBITDA (Earnings Before Interest Taxes, Depreciation and Amortization). This measure of profit is valuable for two reasons. It effectively isolates operating profits and it offers investors and analysts the ability to compare the performance of business with disimilar capitalization and tax structures.
sales-variable cost= contribution
Contribution margin is computed as sales revenue minus variable expenses
Increase in variable cost reduces the contribution margin as following formula suggests”Contribution margin = Sales revenue – Variable Cost
sales-variable coste= contribution margin
contribution margin = sales - variable cost
4
contribution margin ratio = (sales - variable costs) / Sales