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 2019 in each of the following alternative situations? (Leave no answer blank. Enter zero if applicable.) Problem 13-69 Part a a. Michael's AGI before the IRA contribution deduction is $57,000. Michael contributed $3,600 to a traditional IRA. Contribution to Roth IRA 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 2019 in each of the following alternative situations? (Leave no answer blank. Enter zero if applicable.) Problem 13-69 Part b b. Michael's AGI is $87,000 before any IRA contributions. Contribution to Roth IRA 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 2019 in each of the following alternative situations? (Leave no answer blank. Enter zero if applicable.) Problem 13-69 Part c. Michael's AGI is $127,000 before any IRA contributions, Contribution to Roth IRA