el Week 9.xlsx load Excel Week 9.xlsx (2.62 MB) Ex No: 20.1 a b Financial and Managerial Accounting-Pg902 The level of sales at which revenue exactly equals costs and expenses. Costs that remain unchanged despite changes in sales volume. The span over which output is likely to vary and assumptions about cost behavior generally remain valid. Sales revenue less variable costs and expenses. C ld le Unit sales price minus variable cost per unit. If B h Variable costs: Semivariable costs: Sales mix: The reduction in unit cost achieved from a higher level of output Costs that respond to changes in sales volume by less than a proportionate amount. Sales revenue less variable costs. Break-even point Fixed-cost Relevant Range Net income/Net income before income-taxes Unit contribution margin Economies of scale None of the answers Contribution margin Costs and expenses that vary directly and proportionately with changes in the level of the activity base Costs and expenses that respond to changes in the level of the activity base by less than a proportionate amount. The relative percentages of total sales generated by each type of product that a busines