1. Office furniture costs ?18,000.00. It has no salvage value at the end of its life of 7 years. Use the sum-of-the-years digit method to compute the depreciation charge during the third year and the total accumulated depreciation cost at the end of the fourth year.
2. An asset costs ?101,000.00. Additional initial expenses amount to ?3,900.00. Scrap value is 8% of the first cost and book value at the end of 2 years is ?89,000.00. Determine the useful life of the assets in years, using straight line method.