Your parents will retire in 19 years. They currently have $346,291, and they think they will need $1,362,040 at retirement. Assuming they don't save any additional funds, the annual interest rate they must earn to achieve their goal would be Margin of error for correct responses: +/- .03 (%). Rounding and Formatting instructions: %. Do not enter dollar signs, percent signs, commas, X, or any words in your response. Do not round any intermediate work, but round your "final" response to 2 decimal places (example: if your answer is 12.3456, 12.3456 %, or $12.3456, you should enter 12.35). 2.01