A man with a top bracket of 20 per cent who gives away $1,000 in cash incurs a net cost of $800. A man with a top bracket of 60 per cent who gives away the same sum in cash incurs a net cost of $400. If, instead, this same high-bracket man gives $1,000 in the form of stock that he originally bought for $200, he incurs a net cost of only $200. It is the Code’s enthusiastic encouragement of large-scale charity that has led to most of the cases of million-dollar-a-year men who pay no tax at all;