If c is the velocity of light in free space, the correct statements about photon among the following are; A. The energy of a photon is E = hv B. The velocity of a photon is c. C. The momentum of a photon, p = $\frac{hv}{c}$ D. In a photon-electron collision, both total energy and total momentum are conserved. E. Photon possesses positive charge. Choose the correct answer from the options given below: