QUESTIONS A company acquired machinery at 1 Jan X5 at a cost of 30,000. The machinery had an expected useful life of 10 years and a residual value of 2.000 On1 Jan X8, the remaining useful fe of the machinery was reviewed and estmated at 5 years, the expected residual value was se 62,000. What should the depreciation expense in respect of this machinery for the year ending 31 Dec X? 3,500 3,920 2,800 4,320