please explain

3. The Hawaii Company purchases a machine on 1/1/21. Details include: Cost $50,000 Salvage value $ 10,000 Estimated life 20 years Assume Straight-Line depreciation. Indicate the following amounts: abcde 2028 Depreciation Expense $2,000 $2,500 $2,500 $2,500 $2,000 12/31/28 Accumulated Depreciation $2,000 $20,000 $2,500 $2,000 $16.000