how to find good avail
beginning inventory + purchases
average cost cogs
1 - goods avail $$/goods avail units= avg #
2- units of sales X #avg
average cost ending inventory
1- ending units (goods avail- sale) X avg #
FIFO cogs
(beg inven X cost) + (first purch X cost ) + (sales- beg in +1st purchase X unit cost second purchase)
FIFO ending
goods avail- fifo cogs
LIFO cogs
(2nd purch X cost) + (first purch X cost ) + (sales- 1st +2nd purch X beg unit cost)
LIFO ending
goods avail- Lifo cogs