Cheyenne Corporation began operations on December 1, 2016. The only inventory transaction in 2016 was the purchase of inventory on December 10, 2016, at a cost of $24 per unit. None of this inventory was sold in 2016. Relevant information is as follows. During the year 2017, the following purchases and sales were made. The company uses the periodic inventory method. Calculate average-cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Determine ending inventory under specific identification, FIFO, LIFO, and average-cost. (Round answers to 0 decimal places, e.g. 2, 760.) Calculate price index. (Round answer to 4 decimal places, e.g. 2.7653.) Determine ending inventory using dollar-value LIFO. Assume that the December 2, 2017, purchase cost is the current cost of inventory. (Round answer to 0 decimal places, e.g. 2, 760.)