Assume instead that Trio Company uses variable costing. 1. Compute the product cost per unit using variable costing. 2. Determine the cost of ending finished goods inventory using variable costing. 3. Determine the cost of goods sold using variable costing. Complete this question by entering your answers in the tabs below. Compute the product cost per unit using variable costing. Requlred Informetion [The following information applies to the questions displayed below.] Trio Company reports the following information for its first year of operations. Assume instead that Trio Company uses variable costing. 1. Compute the product cost per unit using variable costing. 2. Determine the cost of ending finished goods inventory using variable costing. 3. Determine the cost of goods sold using variable costing. Complete this question by entering your answers in the tabs below. Determine the cost of ending finished goods inventory using variable costing. Requlred Information [The following information applies to the questions displayed below.] Barnes Company reports the following for its product for its first year of operations. Compute total product cost per unit using absorption costing for the following production levels: (a) 1,500 units, (b) 1,800 units, and (c) 3,000 units