The total carrying value was distributed and changed as follows.
No general changes of useful lives were made in 2015. For useful lives applied, see Notes to consolidated financial statements (corresponding section in Note C2). In the income statement, depreciation and impairment losses are, if applicable, included in all expense line items by function as well as in line item Other operating expenses. Accelerated depreciation, to the extent allowed by Swedish tax legislation, is recorded as untaxed reserves and appropriations, see this section in Note P6 “Income taxes.”