Please explain how I get the answer see below:

Depreciation Method - Declining Balance Question 5 The cost of the asset: $3,000.00 The salvage value: $800.00 The life of the asset: 5 years Calculate the Depreciation Expense to the Nearest One Dollar at End of Year 4. Correct Answer: 0 Your Answer: 844 Incorrect Answer Depreciation Method - Declining Balance Question 6 The cost of the asset: $3,000.00 The salvage value: $800.00 The life of the asset: 5 years Calculate the Book Value to the Nearest One Dollar at End of Year 3. Correct Answer: 800 Your Answer: 1,069 Incorrect