Acompany had the following purchases during the current year: january: 19 units at $129 february: 29 units at $139 may: 24 units at $149 september: 21 units at $159 november: 19 units at $169 on december 31, there were 54 units remaining in ending inventory. these 54 units consisted of 11 from january, 13 from february, 6 from may, 13 from september, and 11 from november. using the specific identification method, what is the cost of the ending inventory? a. $8,046. b.$7,877. c.$6,297. d.$6,239. e.$8,215.