A machine which cost $500,000 is acquired on September 1, 2019. Its estimated salvage value is $50,000 and its expected life is 15 years. Instructions Calculate depreciation expense for 2019 and 2020 by each of the following methods, showing the figures used, (a) Double-declining balance (b) Sum-of-the-years-digits Please prepare your answers via a Microsoft Excel Spreadsheet or Word and submit your file below. As an alternative, you can prepare your answers on paper and either scan your work into a PDF or take a photo of the paper and submit. Make sure to show your work Use the editor to format your