2001 2000 1999 Net revenues $26,539 $33,726 $29,389 Cost of sales 13,487 12,650 11,836 Research and development 3,796 3,897 3,111 Marketing, general and administrative 4,464 5,089 3,872 Amortization of goodwill and other acquisition-related intangibles and costs 2,338 1,586 411 Purchased in-process research and development 198 109 392 Operating costs and expenses 24,283 23,331 19,622 Operating income 2,256 10,395 9,767 Gains (losses) on equity securities, net (466) 3,759 883 Interest and other, net 393 987 578 Income before taxes 2,183 15,141 11,228