Required Information [The following information applies to the questions displayed below] Michael is single and 35 years oid. He is a participant in his employer's sponsored retirement plan. How much can Michael contribute to a Roth IRA in 2022 in each of the following atternative situations? Note: Leave no answers blank. Enter zero if applicable. a. Michael's AGI before the IRA contribution deduction is $53,000. Michael contributed $2,700 to a tradmonal iRA. b. Michael's AGI is $83,000 before any IRA contributions. c. Michael's AGI is $148,500 before any IRA contributions