Derek can deposit $19,531.00 on each birthday beginning with his 28.00th and ending with his 69.00th. What will the rate on the retirement account need to be for him to have $3,066,553.00 in it when he retires? Submit Answer format: Percentage Round to: 2 decimal places (Example: 9.24%, % sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924))