E 20-7 Change in principle; change in inventory cost method [ LO20-2 Millington Materials is a leading supplier of building equipment, building products, materials, and timber for sale, with over 200 branches across the Mid-South. On January 1, 2021, management decided to change from the average inventory costing method to the FIFO inventory costing method at each of its outlets. The following table presents information concerning the change. The income tax rate for all years is 25%. 3. Which other 2020 amounts would be reported differently in the 2021-2020 comparative income statements and 2021-2020 comparative balance sheets than they were reported the previous year? 4. How would the change be reflected in the 2021-2020 comparative statements of shareholders' equity assuming cash dividends were $2 million each year and that no dividends were paid prior to 2020