Which index is popularly thought to best represent changes in technology company stocks? O S&P 500 O Dow Jones O NASDAQ 100 O Wilshire 5000 Which of the following is a risk-free asset? O a 52-week T-Bill O a 3%, 5-year bond issued by Apple (rated AAA) O a 296, 10-year T-Note an Iranian 52-week T-Bill The Dynamic Duo is a value-weighted index with two stocks: A and B. A constituted 40% of the value of the index at the beginning of the year. During the year, A went up 20% and Brose 9%. What was the percentage change in Dynamic Duo index over the year? Enter your answer as a percentage rounded to one decimal place. Percentage change =