Exercise 6-6 (Video) Yard Tools manufactures lawnmowers, weed-trimmers, and chainsaws. Its sales mix and unit contribution margin are as follows. Sales Mix Unit Contribution Margin Lawnmowers 20 % $30 Weed-trimmers 50 % $24 $42 Chainsaws 30 % Yard Tools has fixed costs of $4,590,000. 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