7 . When can the put - call parity be applied ? I . call and put have the same strike price II . call and put have the same time to expiration and are held until expiration III. call and put are created using the same underlying asset IV . call and put have the Same PreMILITI A . Only I is required B . Only I and II are required C. Only I, II and III are required D. I. II, III and IV are required