The following information was available from the inventory records of Swifty Company for January:

units units cost total cost

Balance at January 1 8800 $9 $85800

purchases:

January 6 5800 10.21 59218

January 26 8100 10.67 86427

Sales January 7 (7600) January 31 (10900) Balance at January 31 4200 Assuming that Swifty does not maintain perpetual inventory records, what should be the inventory at January 31, using the weighted-average inventory method?