For the configuration shown in Figure P24.57, suppose that a = 5.00 cm, b = 20.0 cm, and c = 25.0 cm. Furthermore, suppose that the electric field at a point 10.0 cm from the center is measured to be 3.60 & 103 N/C radially inward while the electric field at a point 50.0 cm from the center is 2.00 & 102 N/C radially outward. From this information, find
(a) The charge on the insulating sphere,
(b) The net charge on the hollow conducting sphere, and
(c) The charges on the inner and outer surfaces of the hollow conducting sphere.