Answer:
FIFO
total ending inventory 11,080
COGS 10,200
LIFO
ENDING 10,200
COGS 9,480
For taxes reasons it would be better to use FIFO as the COGS is higher then, less income taxes
The higher net income will be with the method of lower COGS which is LIFO
Explanation:
beginning 100 at 78
40 at 80
60 at 82
40 at 94
FIFO
the ending inventory will be the last units: as the first are being sold
40 at 94
60 at 82
30 at 80
total ending inventory 11,080
COGS
100 at 78 and 10 at 80 = 10,200
LIFO
here the ending inveotry are the first unit while the COGS the last:
ending
100 at 78
30 at 80
ENDING 10,200
COGS
40 at 94
60 at 82
10 at 80
total 9,480