The following questions are based on Tustin Corporation, which produces a single product selling for $12 per unit. One hundred thousand units were produced, and 80,000 units were sold during year 1; all ending inventory was in finished goods inventory. Fixed Costs Variable Costs Direct materials $2.40 per unit produced Direct labor.... 1.60 per unit produced Factory overhead - $240,000 .80 per unit produced Marketing and administrative 128,000 .80 per unit sold Tustin had no inventory at the beginning of the year. a. In presenting inventory on the balance sheet at December 31, the unit cost underfull-absorption costing is: b. In presenting inventory on a variable costing balance sheet, the unit cost would be: c. What is the operating profit using variable costing? d. What is the operating profit using full-absorption costing? e. What is the ending inventory using full-absorption costing? f. What is the ending inventory undervariable costing