Elm Grove Enterprises uses a periodic inventory system. It entered into the following purchases and sales transactions for July.

Date	Activities	Units Acquired at Cost	Units Sold at Retail
Jul. 1	Beginning inventory	200 units @ $55 per unit
Jul. 4	Purchase	420 units @ $60 per unit
Jul. 10	Sales		450 units @ $85 per unit
Jul. 17	Purchase	280 units @ $65 per unit
Jul. 24	Purchase	360 units @ $70 per unit
Jul. 28	Sales		300 units @ $95 per unit

For specific identification, the July 10 sale consisted of 120 units from beginning inventory and 330 units from the July 4 purchase; the July 28 sale consisted of 100 units from the July 17 purchase and 200 units from the July 24 purchase.

1. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. (Round your average cost per unit to 2 decimal places.)