Question 1 2 pts Suppose your parents plan to retire in 19 years. They currently have $379,264, and they think they will need $1,453,227 at retirement. Assuming they don't save any additional funds, the annual interest rate they must earn to achieve their goal would be %. (Round your answer to three decimal places. For example 1.23450 or 1.23463 will be rounded to 1.235 while 1.23448 will be rounded to 1.234. Only type in the number. Do not use % sign.)