Exercise 19-06 (Video) Yard Tools manufactures lawnmowers, weed-trimmers, and chainsaws. Its sales mix and unit contribution margin are as follows. Lawnmowers Weed-trimmers Chainsaws Sales Mix 20% 50 % 30% Unit Contribution Margin $34 $23 $37 Yard Tools has fixed costs of $4,410,000. Compute the number of units of each product that Yard Tools must sell in order to break even under this product mix. Lawnmowers units Weed-trimmers units Chainsaws units