E19-6 PCB Corporation manufactures a single product. Monthly production costs Detemine fixed, wa incurred in the manufacturing process are shown below for the production of 3,000 units. and mt The utilities and maintenance costs are mixed costs. The fixed portions of these costs are LO 1) ariable, $300 and $200, respectively Production in Units Production Costs Direct materials Direct labor Utilities Property taxes Indirect labor Supervisory salaries Maintenance Depreciation 3,000 s 7,500 2,100 1,000 4,500 1,900 1,100 2,400 ense Instructions (a) Identify the above costs as variable, fixed, or mixed. b) Calculate the expected costs when production is 5,000 units