Toss Up - Physics - Multiple Choice

Assuming g = 10 meters per second squared and the density of freshwater is 1000 kilograms per cubic meter, what is the buoyancy force in newtons exerted on a rock with mass of 100 kilograms and a volume of 10,000 cubic centimeters sitting at the bottom of a freshwater lake?
W) 10
X) 100
Y) 1000
Z) 10000