From the initial point A(1, 2 , 0), to the final point D(3, 2, 0), a charge of 2C is moved through the points B(2, 2, 0 ) and C (3, 1, 0) along the path ABCD. The electric field in that region is 4 $\overline{\mathrm{i}}$ N/C. The work done by the field is given by