Amortization, depreciation and impairment losses on intangible and tangible assets were distributed by function as follows.
January-December
SEK in millions, except proportions

20072006
Production

2,9563,529
Administration

5729
Other

180-
Total

3,1933,558
Proportion to net sales (%)

17.918.1
Amortization, depreciation and impairment losses were distributed by asset type as follows.
January-December
SEK in millions

20072006
Goodwill

2322
Other intangible assets

32043
Fixed networks

2,8143,457
Other plant and equipment

3636
Total

3,1933,558
Goodwill is amortized straight-line over 5 years. For other useful lives applied, see "Notes to Consolidated Financial Statements" (Note 11). Accelerated depreciation, to the extent allowed by Swedish tax legislation, is recorded as untaxed reserves and appropriations (see this section in Note 9 "Income Taxes").