Ivanhoe Manufacturing manufactures a single product. Annual production costs incurred in the manufacturing process are shown below for the production of 2,400 units. The company's Utilities and Maintenance costs are mixed costs. The fixed portions of these costs are $340 and $240, respectively. Calculate the expected costs to be incurred when production is 4,400 units. Use your knowledge of cost behavior to determine which of the other costs are fixed or variable. Costs Incurred Production in Units 2,400 4,400 Type of cost Production Costs a. Direct Materials $ 7,296 $ Variable b. Direct Labor 19,296 Variable C. Utilities 1,276 Mixed d. Rent 3,400 Fixed e. Indirect Labor 5,136 Variable f. Supervisory Salaries 1,900 Fixed g. Maintenance 1,296 Mixed h. Depreciation 2,900 Fixed