Lena Luther has a portfolio with a beta of 1.9. She is changing her portfolio structure by adding another stock. If she keeps 72 percent of her money in the old portfolio and 28 percent in a stock with a beta of 0.63, what will her new portfolio beta be? 1.10 O 1.24 1.54 O 1.62 O 1.82 Question 7 2.5 pts The Hong Kong Stock Exchange market peaked at 35,542 in 2008. Three years later it had fallen to 12,759. What was the percentage difference after the three years? -78.20% -64.10% 28.85% O 44.65% 58.10%