9. Goddard has used the FIFO method of inventory valuation since it began operations in Year 1. Goddard decided to change to the weighted-average method for determining inventory cost at the beginning of Year 4. The following schedule shows year-end inventory balances under the FIFO and weighted-average methods. Year Year 1 Year 2 Year 3 FIFO $45,000 78,000 83,000 Weighted-average $54,000 71,000 78,000 What amount, before income taxes, should be reported in the Year 4 retained earnings statement as the cumulative effect of the change in accounting principle