R&R Tax Service offers tax and consulting services to individuals and small businesses. Data for fees and costs for three types of tax returns follow. Fixed costs total $$48,640.$

$(2)$ Determine the break$-$even point in units using the weighted$-$average contribution margin.

$\backslash$table$[[$Numerator:$,1,$Denominator:,$=,$Break Even Units$],[,1,$Break even units,,$],[,,,,]]$

$(3)$ Determine the number of units of each product that will be sold at the break$-$even point.

$\backslash$table$[[,$Sales mix,Number of units to break even.,Units sales at the break$-$even point$],[$Easy$,,],[$Moderate$,,],[$Business$,,,]]$