Calculator Scoring: Your score will be based on the number of correct matches. There is no penalty for incorrect or missing matches. Match the following terms with their definitions. Clear All Where a business's revenues exactly equal costs Relevant range Remain the same in total dollar amount as the level of activity changes Variable costs A specific activity range over which the cost changes are of interest. Contribution margin Vary in proportion to changes in activity levels Fixed costs The excess of sales revenues over variable costs Break-even point Match the following terms (a-e) with their definitions. Clear All Graphically shows costs, sales, and operating profit or loss at various levels of units sold Margin of safety The relative distribution of sales among products sold by a company Sales mix Indicates the possible decrease in sales that may occur before operating loss results Profit-volume chart Plots only the difference between total sales and total costs Cost-volume-profit chart Contribution margin divided by income from operations Operating leverage