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.
When compared with price (per unit revenue), average total cost (ATC) indicates the per unit profitability of a profit-maximizing firm. Average total cost is one of three average cost concepts important to short-run production analysis. Third, the average total cost values in this table are comprised of two parts--average variable cost and average fixed cost. 2  In other words, the $4.60 average total cost of producing 10 Stuffed Amigos can be broken down into something like $4.30 of average variable cost and $0.30 of average fixed cost.