Cost Classifications for: Name of the Cost Predicting Cost Behavior Manufacturers Rental revenue forgone, $30,000 per year Direct materials cost, $80 per unit Rental cost of warehouse, $500 per month Rental cost of equipment, $4,000 per month Direct labor cost, $60 per unit Depreciation of the annex space, $8,000 per year Advertising cost, $50,000 per year Supervisor's salary, $3,500 per month Electricity for machines, $1.20 per unit Shipping cost, $9 per unit Return earned on investments, $3,000 per year Preparing Financial Statements Decision Making