Question 4 of 7 View Polices Current Attempt in Progress -120 1 Lindy Weink, the new controller of Sandhill Company has reviewed the expected useful lives and residual values of selected depreciable assets at December 31 2024 (Depreciation for 2034 recorded yet.) Her findings are as follows Total Useful Life in Years Residual Value Type of Asset Building Equipment Date Acquired Jan 1, 2009 Jan 1.2022 Cost Current Proposed Current Proposed $800,00 125.060) 20 30. $39,600 $60.190 15 4 4,550 3,720 After discussion, management agrees to accept Lindy's proposed changes. All assets are depreciated by the straight-line method Sandhill Company has a December 31 var and (a) For each asset, calculate the annual depreciation expense using the original estimated useful life and residual value. Annual depreciation expense Building Equipment per year per year