A Carbon-14 Nucleus Decays to a Nitrogen-14 Nucleus by Beta-Minus $14.003242 \mathrm { u }$

Multiple Choice

A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in MeV) is released if carbon-14 has a mass of $14.003242 \mathrm { u }$ and nitrogen-14 has a mass of $14.003074 \mathrm { u }$ ? $\left( 1 \mathrm { u } = 931.5 \mathrm { MeV } / \mathrm { c } ^ { 2 } \right)$

A) $0.156 \mathrm { MeV }$
B) $0.0156 \mathrm { MeV }$
C) $1.56 \mathrm { MeV }$
D) $15.6 \mathrm { MeV }$