Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

If inventory unit costs are increasing from period-to-period, a LIFO liquidation is most likely to result in an increase in:
Option A:gross profit.
Option B:LIFO reserve.
Option C:inventory carrying amounts.

Answer: A