Your money has been deposited into Pandora Bank which pays a varying interest rate every year. Here's the summary of the rates over the last 4 years: KEEP Year Interest rate 4 years ago 7.5% CALM AND 3 years ago 8.7% SAVE 2 years ago -13.9% MONEY$ 1 year ago 12.3% Calculate the geometric average annual return. (Increase decimal places for any intermediate calculations, from the default 2 to 6 or higher. Only round your final answer to TWO decimal places. Put the answer in PERCENT, NOT DECIMALS. For example, 10.23. Do NOT use "%" in your answer.)