Perpetual FIFO Date Goods Purchased Cost of Goods Sold Inventory Balance # of units Cost per unit # of units sold Cost per unit Cost of Goods Sold # of units Cost per unit Inventory Balance January 1 160 at $8.50 =$1360 January 10 120 at $8.50 =$1020 40 at $8.50 =$340 January 20 100 at $7.50 40 at $8.50 =$340 100 at $7.50 =$750 Total January 20 $1090 January 25 40 at $8.50 =$340 0 at $8.50 ? at $7.50 = ? at $7.50 = Total January 25 January 30 240 at $7.00 0 at $8.50 ? at $7.50 ? at $7.00 Totals