Property and equipment are stated at cost. The cost of an asset comprises its purchase price and any directly attributable costs of bringing the asset to its present working condition and locations for its intended use. Leasehold improvements are stated at cost and amortized over the shorter of the useful life of the assets or the length of the lease in accordance to ASC 840-10-35-6. Depreciation and amortization are calculated using the straight-line method over the following useful lives:

Buildings	10-35 years

Machinery, equipment	3-20 years

Office equipment and automobiles	3-10 years

Leasehold improvements	5-30 years (or the lease term, if shorter)

Expenditures for maintenance and repairs are charged to expense as incurred. Additions, renewals and betterments are capitalized.