Calculate the Mass Defect of ³⁷ Cl If

Calculate the mass defect of ³⁷ Cl if its mass is 36.9659 amu; the mass of proton is 1.0073 amu, and the mass of neutron is 1.0087 amu.

A) 2.693 amu
B) 0.388 amu
C) 0.341 amu
D) 0.332 amu
E) 0.263 amu