Audio commentary. An audio commentary is an additional audio track, usually digital, consisting of a lecture or comments by one or more speakers, that plays in real time with a video. Commentaries can be serious or entertaining in nature, and can add information which otherwise would not be disclosed to audience members.
absorption costing. a method of inventory costing in which all variable manufacturing costs and all fixed manufacturing costs are included as inventoriable costs.
Variable selling and administrative costs are critical components in both variable and absorption accounting calculations. Variable costs such as commissions, bonuses and utility bills vary based on product production and sales for the period, whereas fixed costs do not tend to fluctuate. Variable selling and administrative costs also must be distinguished from variable manufacturing costs, which often have similar account names.