E 9-24 Change in inventory costing methods L09-6 Goddard Company has used the FIFO method of inventory valuation since it began operations in 2018. Goddard decided to change to the average cost method for determining inventory costs at the beginning of 2021. The fol- lowing schedule shows year-end inventory balances under the FIFO and average cost methods: Year FIFO Average Cost 2018 $45,000 $54,000 2019 78,000 71,000 2020 83,000 78,000 Required: 1. Ignoring income taxes, prepare the 2021 journal entry to adjust the accounts to reflect the average cost method. 2. How much higher or lower would cost of goods sold be in the 2020 revised income statement