Cost Network Software and computer equipment Machinery and equipment Furniture and fixtures Facilities and improvements Vehicles Tools Land and other Total
Balances on January 1st, 2008 3,742,598 91,236 38,166 22,014 60,023 3,736 23,278 4,369 3,985,420
Additions – purchase 858,996 22,160 3,711 4,413 12,000 571 10,338 - 912,189
Additions – acquisitions of companies 78,735 591 845 533 4,128 1,086 32 245 86,195
Transfers 2,677 631 - - - - - (16) 3,292
Write-offs (21,771) (2,147) (80) (101) - (358) (196) (58) (24,711)
Balances on December 31, 2008 4,661,235 112,471 42,642 26,859 76,151 5,035 33,452 4,540 4,962,385
Additions – purchase 982,325 21,467 1,345 1,798 7,804 405 7,350 918 1,023,412
Additions – acquisitions of companies 32,136 692 68 220 8 115 210 - 33,449
Write-offs (42,506) (1,582) (346) (435) (3) (462) (88) (47) (45,469)
Balances on December 31, 2009 5,633,190 133,048 43,709 28,442 83,960 5,093 40,924 5,411 5,973,777
                                       
Accumulated depreciation                                                     
Depreciation rate per annum (%) 8,33 to 20 20 to 33,33 10 10 4 to 25 20 20 -    
Balances on January 1st, 2008 (2,176,666) (69,262) (26,321) (14,248) (35,047) (3,185) (11,158) - (2,335,887)
Additions – purchase (388,772) (13,709) (2,446) (1,751) (3,064) (193) (4,095) - (414,030)
Transfers (2,678) (631) - - - - - - (3,309)
Write-offs 25,912 2,117 80 100 - 205 108 - 28,522
Balance on December 31, 2008 (2,542,204) (81,485) (28,687) (15,899) (38,111) (3,173) (15,145) - (2,724,704)
Additions – purchase (487,042) (15,341) (3,214) (2,062) (4,213) (1,062) (5,957) - (518,891)
Transfers 1,505 286 (197) (13) (1,454) (101) 506 502 1,034
Write-offs 33,267 1,624 197 255 - 393 85 - 35,821
Balance on December 31, 2009 (2,994,474) (94,916) (31,901) (17,719) (43,778) (3,943) (20,511) 502 (3,206,740)
                                       
Net book value at January 1st, 2008 1,565,932 21,974 11,845 7,766 24,976 551 12,120 4,369 1,649,533
Net book value at December 31, 2008 2,119,031 30,986 13,955 10,960 38,040 1,862 18,307 4,540 2,237,681
Net book value at December 31, 2009 2,638,716 38,132 11,808 10,723 40,182 1,150 20,413 5,913 2,767,037