In the rectangle, shown below, the two corners have charges `q_(1) = - 5mu C` and `q_(2) = + 2.0 mu C`. The work done in moving a charge `+3.0 mu C` from `B to A` is (take `1//4 4pi epsilon_(0) = 10^(10) N-m^(2)//C^(2))`
A. `2.8 J`
B. `3.5 J`
C. `4.5 J`
D. `5.5 J`