Cullumber Corporation manufactures a single product. Monthly production costs incurred in the manufacturing process are shown below for the production of 3,200 units. Direct materials $9,825 Direct labor 17,240 Utilities 2,633 Property taxes 1,310 Indirect labor 5,895 Supervisory salaries 2,489 Maintenance 902 Depreciation (straight-line) 3,144 The utilities and maintenance costs are mixed costs. The fixed components of these costs are $393 and $262, respectively. Calculate unit variable cost, unit variable cost for utilities and unit variable cost for maintenance. Exclude mixed costs in the calculation for unit variable cost. (Round answers to 2 decimal places e.g. 2.25.) Variable cost per unit (exclude variable cost for utilities and maintenance) $ Variable cost per unit for utilities Variable cost per unit for maintenance