2. A piece of machinery that costs OMR 100.000, has a salvage value of OMR 12,000 and an estimated life of 10 years. Required: a) Using the written down value method of depreciation, prepare a depreciation schedule for the last 5 years. b) An asset's value is decreased over time as a result of depreciation. There are six common depreciation methods out of which the straight line technique. What makes the straight- line method better than the others?