The current rates on 90- and 180-day GICs are 5.5% and 6% simple interest, respectively. An investor is trying to decide whether to purchase a 90-day GIC and then reinvest its maturity value in a second 90-day GIC. What would the interest rate on 90-day GICs have to be 90 days from now for the investor to end up in the same financial position with either alternative