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Glossary
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Break-even point  The unique sales level at which a company neither earns a profit nor incurs a loss.
(See page(s) 1308)
Composite unit  A specific number of units of each product in proportion to the expected sales mix. Multi-product CVP analysis treats this composite unit like a single product.
(See page(s) 1316.)
Contribution margin per unit  The amount that the sale of one unit contributes toward recovering fixed costs and profit.
(See page(s) 1308)
Contribution margin ratio  The contribution margin per unit expressed as a percentage of the product’s selling price.
(See page(s) 1309)
Cost-volume-profit analysis  The first step in the planning phase is predicting the volume of activity, the costs to be incurred, revenues to be received, and profits to be earned.
(See page(s) 1298)
Cost-volume-profit chart  A graphic representation of the cost-volume-profit relationships.
(See page(s) 1309)
Curvilinear cost  A cost that changes with volume but not at a constant rate like pure variable costs.
(See page(s) 1301)
Estimated line of cost behaviour  A line on a scatter diagram drawn to identify the historical relationship between cost and sales volume.
(See page(s) 1303)
Fixed cost  A cost that remains unchanged in total amount regardless of changes in output volume within a relevant range.
(See page(s) 1299)
High-low method  A method for drawing an estimated line of cost behaviour which uses cost data corresponding to the high and low sales volumes.
(See page(s) 1303)
Least-squares regression  A statistical method for deriving an estimated line of cost behaviour that is more precise than the high-low method.
(See page(s) 1304)
Margin of safety  The excess of expected sales over break-even sales.
(See page(s) 1315)
Mixed cost  A cost that acts like a combination of a fixed and a variable cost.
(See page(s) 1300)
Relevant range of operation  A business’ normal operating range; excludes extremely high and low volumes that are not likely to be encountered.
(See page(s) 1299)
Sales mix  The ratio of the volumes of the various products sold by a company.
(See page(s) 1316)
Scatter diagram  A graph used to display data about past cost behaviours and volumes for each period as points on a diagram.
(See page(s) 1302)
Step-wise cost  A cost that remains fixed over limited ranges of volumes but increases by a lump sum when volume increases beyond maximum amounts.
(See page(s) 1300)
Variable cost  A cost that changes in proportion to changes in activity volume.
(See page(s) 1300)







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