Flint 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 $25 per unit. None of this inventory was sold in 2016. Relevant information is as follows.

Ending inventory units
December 31, 2016				112
December 31, 2017, by purchase date
December 2, 2017		112
July 20, 2017		50		162

During the year 2017, the following purchases and sales were made.

Purchases						Sales
March 15		312 units	at	$30		April 10		212
July 20		312 units	at	31		August 20		312
September 4		212 units	at	35		November 18		162
December 2		112 units	at	37		December 12		212

a) Calculate average-cost per unit.

b) Determine ending inventory under (1) specific identification, (2) FIFO, (3) LIFO, and (4) average-cost.

c) Calculate price index.

d) Determine ending inventory using dollar-value LIFO. Assume that the December 2, 2017, purchase cost is the current cost of inventory. (Hint: The beginning inventory is the base layer priced at $25 per unit.)