Weighted Average - Perpetual: Goods purchased Cost of Goods Sold Inventory Balance Date # of units Cost per unit # of units sold Cost per Cost of Goods unit Sold # of units Cost per unit Inventory Balance January 1 360@ $ 3.50= $1,260.00 January 9 80 @ 3.70 360 @ $3.50- $1,260.00 80 @ $ 3.70= 296.00 Average cost 440 @ $ 3.54 $1,556,00 January 25 110 @ 3.80 360 @ $ 3.50 $1,260.00 80 @ $ 3.70= 296.00 110 @ $ 3.80= 550 418.00 $1,974.00 Average cost January 26 400 @ S 3.59 $1,436.00 150 @ $3.59- $ 538.50 $1,436.00 $ 538.50 Totals