The GlobalInvestexx Canadian stock index, which is designed to refl ect the overall stock price performance of Canadian companies, stands at 1,404.53 right now. One year ago, this index stood at 1,233.59.

a. By what percent did this indexs value grow over the past year?

b. If I own a portfolio of Canadian stocks, what does this index tell you about how my portfolio did in the past year?

c. If Zarofi re Systems is one of the stocks included in this index, what can you say about what happened to the price of its stock in the past year?