O'Brien Company manufactures and selis one product. The following information pertains to each of the company's first three years of operations: During its first year of operations, O'Brien producect 93,000 units and 50 ld 73,000 units, During its second year of operations, it produced 85,000 units and sold 100,000 units. In its third year, O'Brien produced 81,000 units and sold 76,000 units. The selling price of the company's product is $72 per unit. 2. Assume the company uses variable costing and a LIFO inventory flow assumption (LIFO means last-in first-out. In other words, it assumes that the newest units in inventory are sold first): a. Compute the unit product cost for Year 1, Year 2, and Year 3. b. Prepare an income statement for Yeat 1, Year 2, and Year 3 . Complete this question by entering your answers in the tabs below. Compute the unit product cost for Year 1, Year 2 , and Year 3. 3. Assume the company uses absorption costing and a FIFO inventory flow assumption (FIFO means first-in first-out. In other words, it assumes that the oldest units in inventory are sold first): a. Compute the unit product cost for Year 1, Year 2 , and Year 3. b. Prepare an income statement for Year 1, Year 2, and Year 3. Complete this question by entering your answers in the tabs below. Compute the unit product cost for Year 1 , Year 2 , and Year 3. (Round your intermediate calculations and final answers to 2 decimal places.) 4. Assume the company uses absorption costing and a LIFO inventory flow assumption (LIFO means last-in first-out. In other word assumes that the newest units in inventory are sold first): a. Compute the unit product cost for Year 1, Year 2, and Year 3 . b. Prepare an income statement for Year 1, Year 2, and Year 3. Complete this question by entering your answers in the tabs below. Compute the unit product cost for Year 1, Year 2, and Year 3. (Round your intermediate calculations and final answers to 2. decimal places.)