Harriet and Harry Combs $($both $37$ years old$)$ are married, and both want to contribute to a Roth IRA. In $2023,$ their AGI before any IRA contribution deductions is $$50,000.$ Harriet earned $$46,000$ and Harry earned $$4,000.$

Note: Leave no answers blank. Enter zero if applicable.

a$.$ How much can Harriet contribute to her Roth IRA if they file a joint return?

Contribution to Roth IRA:

b$.$ How much can Harriet contribute if she files a separate return?

Contribution to Roth IRA

C$.$ How much can Harry contribute to his Roth IRA if they file separetly?

Contribute to Roth IRA: