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Preparation of the consolidated financial statements and significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2018

Depreciation is calculated under the straight-line method, based on the estimated useful lives, in years

The assets’ residual values and useful lives are reviewed at the end of each reporting period, and adjusted on a prospective basis, if appropriate. Depreciation is calculated under the straight-line method, based on the estimated useful lives, as shown below (in years):


Data processing equipment			2.5 to 5 years
Furniture and fittings			10 years
Facilities			10 years
Building improvements			10 years
Machinery and equipment			5 to 10 years
Vehicles			5 years