The following information relates to Carla Vista Ltd.'s inventory transactions during the month of October. Units Cost/Unit Amount Oct. 1 Beginning inventory 2,400 $13.50 $32,400 5 Sale 340 11 Purchase 1,152 $14.50 $16,704 13 Purchase 480 $13.50 $6,480 15 Sale 1,440 29 Purchase 2,400 $12.00 $28,800 31 Sale 3,360 All of the units sold on October 5 were priced at $25 per unit. All of the units sold on October 15 and 31 were priced at $35 per unit. (a2) Carla Vista Ltd. uses the perpetual inventory system. Calculate Carla Vista' cost of goods sold, gross margin, and ending inventory for the month of October using weighted-average. (Round calculations for cost per unit to 2 decimal places, e.g. 10.52 and final answers to O decimal places, e.g. 61,052.) Cost of goods sold Gross margin Ending inventory +A AA LA