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Question 19 (2 points) E Listen Units The activity for a specific inventory item for the month of March was as follows: # of Per Unit Total Cost Cost October 1 inventory 30 $28 $840 Purchases: October 5 100 30 3,000 October 13 60 32 1,920 October 15 90 36 3,240 Goods Available for Sale $9,000 Sales: October 8 110 October 22 120 230 Using first-in, first-out (FIFO) under a perpetual inventory system, what is the balance of Cost of Goods Sold for month ended October 31? 280 $6,900 $7,200 $7,440