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Exercise 8-19 Sheridan Corporation began operations on December 1, 2019. The only inventory transaction in 2019 was the purchase of inventory on December 10, 2019, at a cost of $22 per unit. None of this inventory was sold in 2019. Relevant information is as follows. Ending inventory units December 31, 2019 140 December 31, 2020, by purchase date December 2, 2020 140 July 20, 2020 50190 During the year 2020, the following purchases and sales were made. Purchases Sales March 15 340 units at $27 April 10 240 July 20 340 units at 28 August 20 340 September 4 240 units at 31 November 18 190 December 2 140 units at 33 December 12 240 The company uses the periodic inventory method. Calculate average-cost per unit. (Round answer to 2 decimal places, e.e. 2.76.) Average-cost Determine ending inventory under (1) specific identification, (2) FIFO, (3) LIFO, and (4) average-cost. (Round answers to 0 decimal places, e.g. 2,760.) Specific Identification Average-Cost Ending Inventory FIFO LIFO Calculate price index. (Round answer to 4 decimal places, e.g. 2.7653.) Price Index Determine ending inventory using dollar-value LIFO. Assume that the December 2, 2020, purchase cost is the current cost of inventory. (Hint: The beginning inventory is the base layer priced at $22 per unit.) (Round answer to 0 decimal places, e.g. 2,760.) Ending inventory at dollar-value LIFO