Explain and give an example for each of the following types of chaining: a. forward chaining- ex. how to play an instrument. b. backward chaining ex. counting the alphabet c. total task presentation- ex. social skills, motor skills (skipping)1When Jesse first learned to add and subtract fractions, it took her an exceptionally long time to complete practice activities. But now she completes fraction problems quickly and accurately. Which stage of learning has Jesse now reached? acquisition proficiency maintenance generalization