Marigold 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 $20 per unit. None of this inventory was sold in 2016. Relevant information for fiscal 2017 is as follows: Ending inventory units:

	December 31, 2016					120
	December 31, 2017, by purchase date
		Dec. 2, 2017		120
		July 20, 2017		31		151

During 2017, the following purchases and sales were made:

Purchases					Sales
Mar.	15		350 units at $26		Apr.		10		220
July	20		350 units at $28		Aug.		20		310
Sept.	4		260 units at $30		Nov.		18		180
Dec.	2		120 units at $30		Dec.		12		339

The company uses the periodic inventory method.

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