During Year 1, the machine produced 53,000 units, and during Year 2 it produced 55,000 units. Required a. Determine the amount of depreciation expense for Year 1 and Year 2 using straight-line method. b. Determine the amount of depreciation expense for Year 1 and Year 2 using double-declining-balance method. c. Determine the amount of depreciation expense for Year 1 and Year 2 using units of production method. d. Determine the amount of depreciation expense for Year 1 and Year 2 using MACRS, assuming that the machine is classified as seven-year property. (Round your answers to the nearest dollar amount.) MACRS table:

Year	5-Year property,%			7-Year property,%
1		20.00			14.29
2		32.00			24.49
3		19.20			17.49
4		11.52			12.49
5		11.52			8.93
6		5.76			8.92
7					8.93
8					4.46