Building: cost of $800,000; estimated useful life of 10 years with no residual value The building has been depreciated using the accelerated method at the rate of 30% per annum for the first 3 years. In 2020, the company decided to change the depreciation rate to 40% per annum with the estimated residual value of $30,000, with no change in the useful life. Prepare the journal entry to record depreciation expenses for the building in 2020?