Cost is depreciated using the straight-line method over the following estimated useful lives:

 

Classification

  

Estimated Useful Lives

Buildings

  

10 to 40 years

Machinery and equipment

  

5 to 10 years

Furniture and leasehold improvements

  

5 to 10 years

Vehicles

  

3 to 5 years

Computers and software

  

3 to 5 years

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.