Exercise $18-23($Algo$)$ CVP analysis with three products LO P$3$

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 $$44,100.$

$(1)$ Determine the weighted$-$average contribution margin.

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

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