Match the definitions with the most appropriate term from the list provided. Terms may be used once, more than once, or not at all.

$\backslash$table$[[$Definition$,],[1.$ Buffer zone that identifies how much sales can drop before the business suffers a loss.,Term$],[2.$ An investment in technology that increases total fixed costs while reducing the variable cost per unit,$],[3.$ Total Fixed Costs $+$ Target Profit $/$ Contribution Margin Ratio,$],[4.$ How a company uses variable costs versus fixed costs to perform its operations.,$],[5.$ The proportion of units sold from each product or service line.,$],[6.$ When two profit equations yield the same profit,$],[7.$ Actual or budgeted sales minus break$-$even sales.,$],[8.$ Total fixed costs plus target profit.,$],[9.$ Contribution Margin $/$ Net Operating Income,$],[10.$ Total Fixed Costs $+$ Target Profit $/$ Unit Contribution Margin,$]]$