In Computing Macrs Depreciation in the Year of Disposition of Personal
In computing MACRS depreciation in the year of disposition of personal property used in a trade or business,the half-year convention must be applied to the amounts in the tables if the half-year convention was used in the year the asset was placed into service.
Intangible assets are subject to MACRS depreciation.
Section 179 allows taxpayers to immediately expense up to $500,000 (for 2013),subject to limitations,of the cost of real and personal property placed into service in a trade or business.
The Section 179 expensing election is available on an annual basis for property purchased during the year.