Peter is in "preconventional" level of moral development.
As indicated by Kohlberg, there are three stages of moral development, each with two phases. These are:preconventional, conventional and postconventional morality. Preconventional morality is basically the way to deal with good and bad taken by kids. Youngsters regularly settle on moral choices in view of how it will affect them. When they use sound judgment, or don't settle on awful choices.