Computing Depreciation with Subsequent Costs, Change in Depreciation Estimates

Assume the following information for Macro Company.

Original asset: Office building purchased Jan. 1, Year 1.

Useful life: 20 years.

Salvage value: $0.

Original cost: $720,000.

Straight-line depreciation is used.

On July 1 of Year 7, at a cost of $135,000, wall partitions were added to the third-floor executive office suite to increase the number of private offices (an addition). The partitions do not extend the life of the building and have no separate utility apart from the building.

Note: Carry all decimals in calculations; round final answers to the nearest dollar.

Required

a. Compute annual depreciation expense for Year 1 through Year 6.	Answer
b. Compute annual depreciation expense for Year 7.	Answer