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Tamarisk 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 $24 per unit. None of this inventory was sold in 2019. Relevant information is as follows. Ending inventory units: December 31, 2019 December 31, 2020. by purchase date - december 2, 2020 - July 20, 2020 185 185 50 235 Sales 10 15 285 20 385 During the year 2020, the following purchases and sales were made. Purchases March 385 units at $29 April july 385 units at 30 Aug sept 4 285 units at 34 dec 2 185 units at 36 Dec 12 285 The company uses the periodic inventory method. (al) Calculate average-cost per unit. (Round answer to 2 decimal places, e.e. 2.76.) (a2) Determine ending inventory under (1) specific identification (2) FIFO, (3) LIFO, and (4) average- cost. (Round answer to 0 decimal places, e.g. 2760.) 20 18 NOV 235