Crane Tools manuf actures lawnowers, weed-trimmers, and chainsaws. Its sales mix (as a percentage of total units) and unit contribution margin are as follows. Crane Tools has foxed costs of $4,342,800. Compute the number of units of each profuct that Crane Tools must sell in order to break even under this product mix. Crane Tools manuf actures lawnowers, weed-trimmers, and chainsaws. Its sales mix (as a percentage of total units) and unit contribution margin are as follows. Crane Tools has foxed costs of $4,342,800. Compute the number of units of each profuct that Crane Tools must sell in order to break even under this product mix