O Required information Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Also, on December 15, Monson sells 15 units for $20 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 10 units @ $ 6.00 cost 20 units @ $12.00 cost 15 units @ $14.00 cost Required: Monson sells 15 units for $20 each on December 15. Of the units sold, eight are from the December 7 purchase and seven are from the December 14 purchase. Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending inventory when costs are assigned based on specific identification. Answer is not complete. Specific Identification-Perpetual: Goods purchased Cost Date # of units per unit December 7 10 # of units sold Cost of Goods Sold Cost Cost of unit Goods Sold per Inventory Balance Cost # of units Inventory per Balance unit 10 @ S 6.00 $ 60.00 $ 0.00 Required information Answer is not complete. Specific Identification Perpetual: Goods purchased Cost Date #of units per unit December 7 10 # of units sold Cost of Goods Sold Cost Cost of Goods Sold unit per Inventory Balance Cost # of units per Inventory Balance unit 10 $ 6.00 $ 6000 $ 0.00 December 14 20 12.00 240.00 10 @ $ 600 $ 60.00 20 240 00 1200 $300.00 December 15 15 x 1400 X $ 210.00 $ 600 10 X $ 60.00 10 X $ 120 00 12.00 20 12.00 240 00 $ 300.00 December 21 15 14 00 o $ 6.00 210.00 14 x @ $ 8400 12 144 00 x x S 12.00 S 14.00 6 X @ 84 00 Totals $330.00 $312.00