Springfield Corporation purchases a new machine on March 3, 20X4 for $71,000 in cash. It pays an additional $2,800 to transport and set up the machine. Springfield's accountant determines that the equipment has no residual value and that the useful life is five years. It is expected to generate 2,700,000 units during its life. Assume Springfield employs the half-year convention.

1. Record the purchase of the machine.
2. Assume that Springfield uses the straight-line method of depreciation. Record depreciation expense for the first two years of the machine's life.
3. Assume that Springfield uses the double-declining balance method of depreciation. Record depreciation expense for the first two years of the machine's life.
4. Assume that Springfield uses the units-of-production method of depreciation. During Year 1, the machine produces 500,000 units. During Year 2, the machine produces 435,000 units. Record depreciation expense for the first two years of the machine's life.