Classifying Costs The following report was prepared for evaluating the performance of the plant manager of Marching Ants Inc. Evaluate and correct this report. Marching Ants Inc. Manufacturing Costs For the Quarter Ended June 30 Materials used in production (including $53,300 of indirect materials) $575,300 Direct labor (including $79,900 maintenance salaries) 532,700 Factory overhead: Supervisor salaries 490,100 Heat, light, and power 133,200 Sales salaries 330,300 Promotional expenses 298,300 Insurance and property taxes-plant 143,800 Insurance and property taxes-corporate offices 207,800 Depreciation-plant and equipment 117,200 Depreciation-corporate offices 85,200 Total $2,913,900