Imagine That a Diamond Necklace Was Sunk with the Titanic

Multiple Choice

Imagine that a diamond necklace was sunk with the Titanic, and is now lying at a depth of 4 km in the North Atlantic Ocean. What would the percentage change in the volume of the diamond be, due to the water pressure? The bulk modulus of Diamond is 4.42x1011 N m-2 and the density of seawater can be assumed to be 1000 kg m-3.

A) 0.004%.
B) 0.009%.
C) 0.04%.
D) 0.09%.
E) 0.4%.