Michael is single and 35 years old. He is a participant in his employers 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.)

What would be micheal's contribution to Roth IRA if?

a. Michaels AGI is $52,000 after he contributed $2,500 to a traditional IRA.

b. Michaels AGI is $82,000 before any IRA contributions.

c. Michaels AGI is $137,000 before any IRA contributions.