Which of the following represent advantages of using permanent products as a recording technique? a. Permanent products represent the outcomes of academic instruction. b. Certain behaviors that do not easily leave a permanent product can be recorded as a permanent product by using recording technologies available to the teacher. c. Permanent products allow the teacher to spend his or her time teaching rather than observing students. d. Permanent products are useful to use as a recording technique when there are multiple behaviors that could result in the product. e. Permanent products can be translated into numbers and placed on a graph