Zimmerman Company manufactures two products, Board 12 and Case 165. Zimmerman's overhead costs consist of setting up machines, $2760000: machining, $S350000; and inspecting, $2070000. Information on the two products is: Direct labor hours Machine setups Machine hours Inspections Board 12 15000 600 24000 800 Case 165 25000 400 26000 700 Overhead applied to Case 165 using traditional costing using direct labor hours is $4072000 $4852000. $6362500 $5224000 Zimmerman Company manufactures two products, Board 12 and Case 165. Zimmerman's overhead costs consist of setting up machines, $2240000; machining, $5600000; and inspecting, $1680000. Information on the two products is: Case 165 25000 Board 12 15000 600 24000 800 Direct labor hours Machine setups Machine hours Inspections 400 26000 700 Overhead applied to Board 12 using activity-based costing is $4928000 $3570000. $5712000 54592000 Standard Division Total Premium Division $700000 Sales $300000 $1000000 $240000 420000 Variable costs Contribution margin Total fixed costs $60000 $280000 $300000 What is the weighted average contribution margin ratio? 34% 26% 40% 43%