Are you in favor of free education at public colleges and universities, and if so, how much would you be willing to have your taxes raised to make it happen?

In New York city, students of CUNY (City University of NY) are rallying to protest recent tuition hikes. One of the things they would like is for education at the CUNY schools to go back to being free which, apparently it was prior to the mid-1970’s.

Are you in favor of public universities and colleges being free, and if so, how much would you be willing to have your taxes raised in order to accomodate that?