$\backslash$table$[[$Definition$,],[$a$.$ The proportion of products based upon the number of units sold.,$],[$b$.$ The proportion of products sold based on total sales revenue.,$],[$c$.$ Analysis that focuses on relationships among revenue, volume, mix of units sold, variable and fixed costs.,$],[$d$.$ Analysis that focuses on determining the number of units or sales revenue required to generate a desired net income.,$],[$e$.$ Analysis that focuses on determining the number of units or sales revenue required to generate a zero profit.,$],[$f$.$ Analysis to determine if changing underlying assumptions would affect the decision.,$],[$g$.$ Contribution margin $=$ Fixed costs.,$],[$h$.$ Analysis that expresses each line of the income statement as a percentage of total sales.,$],[$i$.$ Average unit contribution of multiple products weighted by the percentage of units sold.,$],[$j$.$ Average contribution margin ratio of multiple products weighted by the percentage of total sales revenue.,$],[$k$.$ Actual $($or budgeted$)$ sales plus break$-$even sales.,$],[$L$.$ The extent to which fixed costs are used to operate a business.,$],[$m$.$ The extent to which variable costs are used to operate a business.,$],[$n$.$ Difference between actual or budgeted sales and the break$-$even point.,$]]$