E6.6 (LO 2), AP 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% $20 Chainsaws 30% $40 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. Compute service line break-even point and target net income in dollars for a company with more than one service