Determine the return on Devon's retirement investments using the following information: Roth IRA Balance January 1, 2020 = $1,200,000 Roth IRA Balance December 31, 2020 - $1,120,397 401K Balance January 1, 2020 - $650,000 401K Balance December 31, 2020 - $599,624 a Devon contributed $386 per-month to his 401K and his employer matched it Devon contributed $50 per-month to his Roth IRA Enter your answer as a percentage, but without the percent sign (5.22. not 0.0522)