Burbank Company owns the building occupied by its administrative office. The office building was reflected in the accounts at the end of last year as follows: Cost when acquired Accumulated depreciation (based on straight-line depreciation, an estimated life of 50 years, and a $38,000 residual value) $418,000 68,400 During January of this year, on the basis of a careful study, management decided that the total estimated useful life should be changed to 30 years (instead of 50) and the residual value reduced to $32,500 (from $38,000)). The depreciation method will not change. Required: 1. Compute the annual depreciation expense prior to the change in estimates Depreciation expense 2. Compute the annual depreciation expense after the change in estimates ation expense 3. What will be the net effect of changing estimates on the balance sheet, net income, and cash flows for the year? Decreasing the useful life and the residual value of the asset will balance sheet, total assets on the wil net income on the income statement, and will total cash flows on the statement of cash flows for the year