Exercise 1 Using the information provided in Figure 8. Calculate the price-weighted index for the month of July for these companies. What adjustment is required for the Duke Energy 1:3 reverse stock split? How did you account for the removal of Goodrich from the index? Exercise 2 What is the overall change in index value for the month of July using the price- weighted index? Which stock increased in value the most? Which declined the most? Which company(ies) appear to be influencing the price-weighted index the most? Exercise 3 Using the information provided in Figure 8. Calculate the market-weighted index for the month of July for these companies. What adjustment is required for the Duke Energy 1:3 reverse stock split