In 2024, Banchero Corp. changed from a FIFO cost flow assumption to average cost flow assumption for inventory valuation in financial reporting. Banchero's tax rate is 20%, and Banchero has used, and will continue to use FIFO for tax reporting purposes. Below is a summary of cost of goods sold, as calculated under both methods, for Banchero's first three years of operations. Implementing the accounting change in 2024 will require a debit (enter as a positive number) or a credit (enter as a negative number) to retained earnings for what amount