Radium-226 Decays into Radon-222 Plus an Alpha Particle ${}^{4}_{2}$ He: 4002603 U

Radium-226 decays into radon-222 plus an alpha particle.The relevant masses are ${}^{4}_{2}$ He: 4.002603 u ${}^ { 222 }_ { 86 }$ Rn: 222.017570 u $^{226}_{88} Ra$ : 226.025402 u How much energy is released in this process? (1 u = 931.5 MeV/c²)

A) 4.24 MeV
B) 3.76 MeV
C) 4.87 MeV
D) 5.05 MeV
E) 5.39 MeV