Q5: At the beginning of year one, the stock market index had a value of $225.4. Two years later the value was $298. What was the average annual rate of return on the index portfolio?

Q6: Stocks XX, YY, and ZZ, initially priced at $35, $65, and $72, respectively, comprise a price-weighted index with a base value of 100. One year later the stocks above were valued at $40, $69, and $87, respectively. What was the value of the index at the end of year one?