Scenario 1: Based on the annual review of the expected pattern of consumption of the future economic benefits from its machine, Windermere plc has changed the depreciation method for the machine from the straight-line method to the diminishing balance method. Scenario 2: Windermere plc estimated the previous year's warranty provision as 1% of sales based on data of historical warranty claims. However, this year, due to increases in warranty claims last year, Windermere have estimated the current year's warranty provision as 1.5% of current year sales. REQUIRED For each of the above scenarios, identify whether it is a change in accounting policy, a change in accounting estimates or correction of errors. Further, describe how each of the above scenarios should be accounted for