The following information is for the inventory of mini-kettles at Pina Colada Company Limited for the month of May: Date Units In Unit Cost Units Sold Unit Price Transaction Total Total May 1 Balance 110 $4.20 $462 6 Purchase 830 4.20 3,486 7 Sale 330 $7.00 $2,310 10 Sale 330 7.60 2,508 12 Purchase 440 4.60 2,024 15 Sale 200 8.00 1,600 18 Purchase 300 5.00 1,500 22 Sale 440 8.00 3,520 25 Purchase 500 4.40 2,200 30 Sale 200 7.60 1,520 Totals 2,180 $9,672 1,500 $11,458 Assuming that the periodic inventory method is used, calculate the inventory cost at May 31 under FIFO. $ Ending inventory