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 ¹⁹F nucleus weighs 18.9984032 u. Calculate the binding energy per nucleon for this nucleus.

A) 1.208 × 10^-12 joule/nucleon
B) 2.368 × 10^-11 joule/nucleon
C) 4.735 × 10^-11 joule/nucleon
D) 6.230 × 10^-13 joule/nucleon
E) 8.307 × 10^-13 joule/nucleon