A project has expected sales of 54,000 units, 15 percent variable cost per unit of $87,-2 percent, fred costs of $287.000.11 percent and a sira per unit of $219, +2 percent. The depreciation expense is $47.000 and the tax rate is 23 percent What is the contribution margin perust terasest analysis using a variable cost per unit of $85? Multiple Choice ak int a $136 erences O $134 $135 $132 33 .IN