For the years ended December 31
			2007			2006
			ThCh$			ThCh$
Operating income
Revenues			700,767,361			661,693,111
Cost of sales			(600,820,307)			(548,865,243)
Gross margin			99,947,054			112,827,868
Administrative and selling expenses			(60,909,385)			(55,089,888)
Net operating income			39,037,669			57,737,980
Non-operating income and expenses
Interest income			6,762,256			5,242,346
Equity participation in income of equity-method investments			101,485,745			85,019,069
Other non-operating income			45,333,852			5,806,571
Equity participation in losses of equity-method investments			(3,447,293)			(813,100)
Amortization of goodwill			(24,299,447)			(24,126,991)
Interest expense			(29,507,423)			(30,723,992)
Other non-operating expenses			(4,256,130)			(10,422,581)
Price-level restatement, net			(5,294,313)			(1,428,532)
Foreign currency translation, net			3,349,985			151,676
Net non-operating income			90,127,232			28,704,466
Income before income taxes, minority interest and amortization of negative goodwill			129,164,901			86,442,446
Income tax expense			(8,761,022)			(4,504,894)
Income before minority interest and amortization of negative goodwill			120,403,879			81,937,552
Minority interest			(16,786,624)			(22,245,617)
Income before amortization of negative goodwill			103,617,255			59,691,935
Amortization of negative goodwill			1,623,752			1,572,208
Net income			105,241,007			61,264,143
The accompanying notes form an integral part of these consolidated financial statements.