I need a typed answer as well as soon . Only typed answer by keyboard needed . Solve urgent please I will surely give a helpful rating for your answer if you solve fast and correctly.

ll) Three point charges are placed at the following Cr, 3/) coordinates: charge +4.0 x 106 C ll) at (0, 0.8 m), charge +9.0 x 10-6 C at (0.4 In, 0), and charge 1.0 x 10-6 C at (0.4 m,0.8 m). Calculate the electrical potential at the origin due to these three point charges. Take the zero of potential to be at infinity