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.

Zimt AG wrote down the value of its inventory in 2017 and reversed the write-down in 2018. Compared to the results the company would have reported if the write-down had never occurred, Zimt’s reported 2018 (periodic inventory system applied):
Option A:profit was overstated.
Option B:cash flow from operations was overstated.
Option C:year-end inventory balance was overstated.

Answer: A