Answer:
C. $954,000
Explanation:
Final inventory    FIFO       LIFO    Difference
2017 Â Â Â Â Â Â Â Â Â Â Â 640,000 Â Â 560,000 Â Â 80,000
2018 Â Â Â Â Â Â Â Â Â Â Â 712,000 Â Â 636,000 Â Â Â 76,000
Note: When method is changed to LIFO in 2018, it will effect ending inventory of 2018 only.
Net income as per FIFO Â Â Â Â Â Â Â Â Â Â Â Â $1,030,000
Decrease in income due to decrease  -$76,000  Â
in the ending inventory as per LIFO
Net income as per LIFO Â Â Â Â Â Â Â Â Â Â Â Â $954,000
So, a change to the LIFO method in 2018 would result in net income for 2018 of $954,000