Exercise 19-6 Yard Tools manufactures lawnmowers, weed-trimmers, and chainsaws. Its sales mix and unit contribution margin are as follows. Unit Contribution Margin Lawnmowers Weed-trimmers Chainsaws Sales Mbx 20% 50% 30% $31 $21 $37 Yard Tools has fixed costs of $4,253,400 Compute the number of units of each product that Yard Tools must sell in order to break even under this product mix. (Use the Weighted-Average Unit Contribution Margin Ratio rounded to 2 decimal places e.g.0.25 and round final answers to 0 decimal places,e.g.2,510.) units units units Weed-trimmers Chainsaws