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19.3 Accounting estimates and errors * LO2,3 Yak Ltd estimates its future liability for repairs to products sold with a 12-month warranty as a percentage of its net credit sales. Warranty expense and actual repair costs for the last 2 years ending 30 June were as follows. Warranty provisions Actual costs 2022-23 $12 500 $16 000 2023-24 13750 18250 Required Comment on Yak Ltd's accounting method for warranty liabilities. What action should be taken with respect to the accounting estimates? If an investigation during 2024-25 finds that the figure for warranty expense was incorrectly calculated for 2023-24 and should have been $17 500, what action Is required under AASB 108/IAS 8