Consider the following information on the stock market in a small economy. Price, beginning Price, end of Shares CompanyOutstanding of yearyea $75 $20 $8 100 $70 $17 $6 1,000 Instructions: Enter your responses rounded to one decimal place. a. Compute a price-weighted stock price index for the beginning of the year and the end of the year. What is the percentage change? The percentage change is %. b. Compute a value-weighted stock price index for the beginning of the year and the end of the year. What is the percentage change? The percentage change is