Can someone help me in finding out the right answer from the given options. John freshly learned that a hotdog-and-fries combo is accessible at a local mall for similar price as a slice of pizza at Gino’s, where he routinely ate lunch. He starts buying hotdogs more frequently and pizza less that is an illustration of: (1) The change in supply of pizza. (2) The substitution effect. (3) The normative economic decision. (4) The income effect. (5) The informed preference effect.