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 2019 in each of the following alternative situations? a. Michael's AGI before the IRA contribution deduction is $59,000. Michael contributed $4,000 to a traditional IRA. Contribution to Roth IRA b. Michael's AGI is $89,000 before any IRA contributions. Contribution to Roth IRA c. Michael's AGi is $125,000 before any IRA contributions. Contribution to Roth IRA