But DOA officials did volunteer its figures on the cost of removing graffiti and chalk slogans that protesters have been writing on the sidewalks of the Capitol square since March of 2011. The DOA said they have had to spend about $12,800 to remove the chalk marks, though that spending may include salaries for existing staff that would have been paid out regardless.
Via State: no arrests in rotunda protests, but thousands spent for chalk removal @ JS All Politics Blog.