It was decided during 2021 to change the method of valuation from WACC to FIFO. The change in the accounting policy has been accounted for in the current year The raw material inventories have been valued accordingly for the 3 years 2019 2020 2021 FIFO 160 000 155 000 140 000 Prepare a change in accounting policy note. Assume a tax rate of 30% WACC 133 000 144 000 120 000