Shown below is activity for one of the products of Denver Office Equipment:

January 1 balance, 580 units @ $60 $34,800
Purchases:
January 10:	580 units @ $65
January 20:	1,040 units @ $68
Sales:
January 12:	900 units
January 28:	780 units

Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses FIFO and a periodic inventory system.