Ebenezer Scrooge has invested 55% of his money in share A and the remainder in share B. He assesses their prospects as follows: A B Expected return (%) 15 19 Standard deviation (%) 20 23 Correlation between returns 0.3 What are the expected return and standard deviation of returns on his portfolio? Note: Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. How would your answer change if the correlation coefficient were 0 or 0.30? Note: Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places