What is the approximate return on a 5-year market-linked guaranteed investment certificate (GIC) that has a 25% cap rate where the relevant index had an initial index level of 9,473 and an ending...

What is the approximate return on a 5-year market-linked guaranteed investment certificate (GIC) that has a 25% cap rate where the relevant index had an initial index level of 9,473 and an ending index level of 15,498? 36.40% 25.00% 33.00% 63.60% Plz do fast asap