Answer each of the following questions.

1.	A plant asset purchased for 150,000 has an estimated life of 10 years and a residual value of 12,000. Depreciation for the second year of use, determined by the declining-balance method at twice the straight-line rate is		enter a pound amount
2.	A plant asset purchased for 200,000 at the beginning of the year has an estimated life of 5 years and a residual value of 20,000. Depreciation for the second year, determined by the sum-of-the-years'-digits method is		enter a pound amount
3.	A plant asset with a cost of 216,000, estimated life of 5 years, and residual value of 36,000, is depreciated by the straight-line method. The accumulated depreciation for this asset at the end of the second year is