Density

Comet 67P/Churyumov-Gerasimenko

Information:

This comet reffrred as a "Jupiter class" comet that take 6.45 years to go around the sun. Rosetta (Europe's Rosetta spacecraft) has measured comet-67P to have a mass of roughly 10 billion tones.  Its volume is 25 cubic km.

Question:

What is the bulk density of Comet-67P,  in g / cc?