A rigid body consists of a `3kg` mass located at `vec r_1=(2hat i + 5 hat j)m` and a `2kg` mass located at `vec r_2 = (4hat i +2 hat j)m`. The position of centre of mass is
A. `(14/5 hatj+19/5 hati)m`
B. `(14/5 hati+19/5hatj) m`
C. `(19/5 hati+14/5hatj) m`
D. `0`