Steve Ballmer says he is willing to invest 5%-10% of Microsoft's operating income over the next five years on search. Read more: http://www.businessinsider.com

Steve Ballmer says he is willing to invest 5%-10% of Microsoft's operating income over the next five years on search. Read more: http://www.businessinsider.com/henry-blodget-steve-ballmer-has-gone-bonkers-2009-6#ixzz19NFIfq1Z http://www.businessinsider.com/henry-blodget-steve-ballmer-h... Specifically, assuming Microsoft's operating income stays constant (it will likely grow), it's $5.5-$11 billion. endquote.