E6.6 (LO 2), AP Yard Tools manufactures lawnmowers, weed-trimmers, and chainsaws. Its sales mix and unit contribution margin aro as follows. Compute break-even point in units for a company with more than one product Unit Contribution Margin Sales Mix Lawnmowers $30 20% Weed-trimmers $20 50% Chainsaws $40 30% Yard Tools has fixed costs of $4,200,000. Instructions Compute the number of units of each product that Yard Tools must sell in order to break even under this product mix