Answer:
Adult stage
Step-by-step explanation:
Adult stage is the stage in which a person can make decisions that will be of benefit to them because they are matured and have sense of responsibility and intellectual maturity have been attained.
Adult stage often start from age 20 to 21 years. This stage is an important stage because you will tend to decide what your dreams her and how to achieve it in order to be successful, which was what Tammy was trying to do by trying to decide what to do after graduation.
Therefore According to George Herbert Mead, Tammy is in the ADULT stage.