In 2023, the Beldre Company switched its inventory method from average cost to FIFO. Inventories at the end of 2022 were reported in the balance sheet at $50 million. If the FIFO method had been used, 2022 ending inventory would have been $55 million. The company's tax rate is 30%. The adjustment to 2023s beginning retained earnings would be: A. Zero. B. A $5 million decrease. C. A $3.5 million decrease. D. A $3.5 million increase.