Which statement(s) below is (are) correct about the optimal risky portfolio? 1. It is the portfolio with the lowest variance on the efficient frontier II. It is the portfolio with the highest expected return on the efficient frontier III. It is the tangency point of the line originating from the risk free rate with the efficient frontier IV. Different investors will choose different opti:kal risky portfolios depending on their own risk aversion II and III II, IIIand IV Ill only 1.11. and