The following information is for the inventory of mini-kettles at Concord Company Limited for the month of May. Units Unit Units Unit Date Transaction In Cost Total Sold Price Total May 1 Balance 140 $4.40 $616 6 Purchase 800 4.40 3,520 7 Sale 350 $7.20 $2,520 10 Sale 350 7.40 2,590 12 Purchase 410 4.60 1,886 15 15 Sale 220 7.80 1,716 18 Purchase 310 4.80 1,488 22 25 223 Sale 410 8.00 3,280 Purchase 550 4.60 2,530 30 Sale 220 7.60 1,672 Totals 2,210 $10,040 1,550 $11,778 (a1) Assuming that the perpetual inventory method is used, calculate the inventory cost at May 31 under FIFO.. Ending inventory $