1. A machine has a value of $65,000 and is estimated to operate up to 6 years, ending with a scrap value of $7,000. Construct a depreciation table using the straight-line method.
2. A mechanical installation in an office will cost $23,000. Its useful life is be 4 years, after which it has to be removed and thrown away, but the removal cost will be $1,200. Prepare a depreciation schedule using a straight-line method.