Required information [The following information applies to the questions displayed below.) Shown below are net income amounts as they would be determined by Weihrich Steel Company by each of three different inventory costing methods ($ in thousands). FIFO Pre-2020 2020 $2,940 820 $3,760 Average Cost $2,680 530 $3,210 LIFO $2,420 575 $2,995 Required: 1. Assume that Weihrich used FIFO before 2021, and then in 2021 decided to switch to average cost. Prepare the journal entry to record the change in accounting principle. (Ignore income tax effects.) (If no entry is required for a transaction/event, select "No journal entry required" in the first account field. Enter your answers in thousands.) View transaction list Journal entry worksheet 1 Record the change in accounting principle