Which of the Following Are Functions That a Portfolio Manager

Which of the following are functions that a portfolio manager should perform for clients?

A) Determine investment objectives and constraints, diversify the portfolio, eliminate tax payments.
B) Determine investment objectives, diversify the portfolio, maintain ethical standards and eliminate tax payments.
C) Determine investment objectives and constraints, diversify the portfolio, and maintain ethical standards.
D) Determine constraints, diversify the portfolio, and eliminate tax payments.
E) Determine investment objectives and constraints, diversify the portfolio, eliminate tax payments, and achieve risk adjusted return superior to the relevant benchmark.