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 ¹⁰³Rh nucleus weighs 102.90550 u. Calculate the binding energy per nucleon for this nucleus.

A) 2.442 × 10^-12 joule/nucleon
B) 1.340 × 10^-12 joule /nucleon
C) 2.0239 × 10^-9 joule/nucleon
D) 2.442 × 10^-9 joule/nucleon
E) 2.0239 × 10^-11 joule/nucleon