Exhibit 3 Standard Unit Costs Valves Pumps Flow Controllers Material $16.00 $20.00 $22.00 Direct labor 4.00 8.00 6.40 Overhead @ 439% ofdirect 17.56 35.12 28.10 labor $ Standard unit cost $37.56 $63.12 $56.50 Overhead Machine depreciation Set-up labor Receiving Materials handling Engineering Packing and shipping Maintenance Total run labor = 9,725 hours x $16 = $155,600 Overhead rate 682,688 155,600 = 439% $270,000 2,688 20,000 200,000 100,000 60,000 30,000 $682,688