Sasha plans to retire in 8 years from today with 454,631 dollars in her account. If she receives payments of 83,000 dollars per year and she receives her first 83,000 dollar payment in 9 years and her last 83,000 dollar payment in 16 years, then what is the expected annual return for her account? Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098.

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