Which theorist is most closely associated with the career developmental theory that proposes that individuals pass through a series of sequential and predictable stages with regard to their career trajectory?

Donald Super  

Explanation:

Donald Super's theory: The theory proposed by Donald Super influences the main idea of an individual developing a sense of self and making the person realize that getting the change with time plays a vital role especially when he or she is planning the career.  

According to him, self-concept of a person or the sense of self changes over time and gets modified and developed with experience, for example, the career development of a person is life-long.

In the question above, the statement refers to the work of Donald Super.

what is the tax base for the sales tax?

it should be (usually ) 6%

answer; foreign services officers;