Required information Problem 13-69 (LO 13-4) The following information applies to the questions displayed below Michael is single and 35 years old. He is a participant in his employer's sponsored retirement plan. How much can Michael contribute to a Roth IRA in each of the following alternative situations? (Leave no answer blank. Enter zero if applicable.) Problem 13-69 Part a a. Michael's AGI is $60,500 after he contributed $4.300 to a Contribution to Roth IRA