consider the following information on the stock market in a small economy

Company 1, shares outstanding 100, price, beginning of the year $100, price, end of the year $94

Company 2, shares outstanding 1,000, price, beginning of the year $20, price, end of the year $25

company 3, shares outstanding 10,000, price, beginning of the year $3, price, end of the year $6

enter responses rounded to one decimal place.

a. compute a price-output 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-added stock price index for the beginning of the year and the end of the year. what is the percentage change?

the percentage change is _____%