Find the binding energy per nucleon for sn 50120. mass of proton mp=1.00783 u, mass of neutron mn=1.00867 u and mass of tin nucleus msn=119.90 2199 u. (take 1 u=931 mev)

a. 7.5mev
b. 9.0 mvc
c. 8.0mev
d. 85 mev