The BMO Bank of Montreal advertised rates of 1.8%, 2.25%, 2.6%, 3%, and 3.25% for the five

Question:

The BMO Bank of Montreal advertised rates of 1.8%, 2.25%, 2.6%, 3%, and 3.25% for the five successive years of its five-year compound-interest Rate Optimizer GIC. At the same time, the bank was offering fixed-rate five-year compound-interest GICs yielding 2.75% compounded annually. What total interest would be earned during the five-year term on a $5000 investment in each type of GIC?