The Rest Mass of a Proton Is 1

The rest mass of a proton is 1.0072764666 u and that of a neutron is 1.0086649158 u. The ¹⁹⁷Au nucleus weighs 196.96655 u. Calculate the binding energy per nucleon (nuclear particle) for this nucleus.

A) 2.498 × 10^-10 joule/nucleon
B) 1.236 × 10^-12 joule/nucleon
C) 3.567 × 10^-11 joule/nucleon
D) 2.117 × 10^-12 joule/nucleon
E) 3.162 × 10^-12 joule/nucleon