Exercise 20-6 Yard Tools manufactures lawnmowers, weed-trimmers, and chainsaws. Its sales mix and unit contribution marginare as follows. Unit Contribution Sales Mix Lawnmowers 20% Weed-trimmers 50% Chainsaws 30% Margin Yard Tools has fixed costs of $4,190,500. Compute the number of units of each product that Yard Tools must sell in order to break even under this product mix (Use Weighted Ave rounded to 2 decimal places e.g. 0.25 and round inal answers to o decimal places 2.510.) Lawnmowers units Weed-trimmers units Chainsaws units