48 Syngenta Annual Review 2011 All activities were in respect of continuing operations. Condensed consolidated income statement Financial information  continued Year ended December 31 (US$m, except share and per share amounts) 2011 2010 Sales 13,268 11,641 Cost of goods sold (6,737) (5,866) Gross profit 6,531 5,775 Marketing and distribution (2,145) (1,892) Research and development (1,127) (1,032) General and administrative (977) (899) Restructuring and impairment excluding divestment gains (307) (178) Divestment gains 76 19 Restructuring and impairment (231) (159) Operating income 2,051 1,793 Income from associates and joint ventures 15 25 Financial expenses, net (165) (141) Income before taxes 1,901 1,677 Income tax expense (301) (275) Net income 1,600 1,402 Attributable to: Syngenta AG shareholders 1,599 1,397 Non-controlling interests 1 5 Net income 1,600 1,402 Earnings per share (US$): Basic 17.40 15.07 Diluted 17.31 14.99 Weighted average number of shares: Basic 91,892,275 92,687,903 Diluted 92,383,611 93,225,303