The following information is available for October for Jackie Gleason, Inc. Beginning inventory Net purchases .Net sales Percentage markup on cost $361,000 1,083,000 2,166,000 66.67% A fire destroyed Gleason's October 31 inventory, leaving undamaged inventory with a cost of $21,660. Using the gross profit method, the estimated ending inventory destroyed by fire is $722,000 O $577,600 $122,740 $555,940