The following diagram shows the investment opportunity set for portfolios containing stocks A and B with Point A on the graph representing a portfolio with 100% in stock A and Point B representing a portfolio with 100% in stock B. Use the diagram to answer the following true or false questions. 9.00% 8.00% 7.00% 6.00% w 5.00% Portfolio Expected Return 4.00% B 3.00% 2.00% 1.00% 0.00% 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% Portfolio Standard Deviation If riskless lending and borrowing (with a risk-free rate of 3%) are available but short sales are not, an investor can construct a portfolio with an expected return that exceeds 9%. True False