Answer :
Answer: a). Straight line method = $10,000. b). Double declining balance method = $20,000.
Explanation: Depreciation is the weat and tear of an asset over the useful life. There are several methods of depreciation. They include; straight line method, double-declining method, units of production method and so on.
Straight line method = (cost - salvage value)/ useful life
= (55000 - 5000)/5 = 50000/5
= $10,000
Double-declining balance method = straight line method × 2
= $10,000 × 2
= $20,000