Show Attempt History Mozena Corporation manufactures a single product. Monthly production costs incurred in the manufacturing process are shown below for the production of 3,300 units. The utilities and maintenance costs are mixed costs. The fixed portions of these costs are $320 and $280, respectively. Production in Units 3,300 Production Costs Direct materials $7,590 Direct labour 15.147 Utilities 2,135 Property taxes 1,240 Indirect labour 4,950 Supervisory salaries 2.100 Maintenance 1,963 Depreciation 2.800 8317