Consequently, When Love Takes Over was shelved until Guetta rediscovered the song when compiling his fourth studio album, One Love. The finished song with Rowland's vocals and Guetta's production was premiered in March 2009 at the Ultra Music Festival in Miami.
A related concept is marginal cost. Average fixed cost is the total fixed cost per unit of output incurred when a firm engages in short-run production. It can be found in two ways. Because average fixed cost is total fixed cost per unit of output, it can be found by dividing total fixed cost by the quantity of output.
Total Cost = Total Fixed Cost + Total Variable Cost + Opportunity Cost. Definition Average cost is equal to total cost divided by the number of goods produced (the output quantity, Q). It is also equal to the sum of average variable costs (total variable cost divided by Q) plus average fixed costs (total fixed costs divided by Q).