Xavier is a three-year-old child who was just diagnosed with autism. He has never had functional language and exhibits frequent tantrums in the form of crying, hitting, and throwing items. Xavier recently began receiving ABA therapy and is your new client. Xavier’s grandmother is his guardian and wants his therapist to focus on teaching him the alphabet, shapes, colors, and numbers. In this assignment, write a letter responding to Xavier’s grandmother and include the following: An analysis of the importance of teaching manding skills to Xavier first. The benefits of teaching mands. An explanation of how teaching mands leads to developing skills in other areas of development. An explanation of the relationship between manding and challenging behaviors. Be sure to provide your responses in a way that is respectful and supportive of Xavier’s grandmother. References: Miltenberger, R. G. (2016). Behavior modification: Principles and procedures (6th ed.). Cengage Learning. Cooper, J. O., Heron, T. E., & Heward, W. L. (2020). Applied behavior analysis (3rd ed.). Pearson.