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.)

a.	Michaels AGI is $52,500 after he contributed $3,600 to a traditional IRA.

Contribution to Roth IRA

b.	Michaels AGI is $82,500 before any IRA contributions.

Contribution to Roth IRA

c.	Michaels AGI is $137,500 before any IRA contributions.

Contribution to Roth IRA