Note: I believe this would be max contribution limit of $50K (under age 50) minus Phaseout. But I cannot figure out how to calculate the phase out. Not looking for just an answer, trying to figure out how to work the problems. Thank you Jackson and Ashley Turner (both 45 years old) are married and want to contribute to a Roth IRA for Ashley. In 2019, their AGI is $198,500. Jackson and Ashley each earned half of the income. Use Tax Rate Schedule for reference. a. How much can Ashley contribute to her Roth IRA if they file a joint return? Contribution to Roth IRA b. How much can Ashley contribute if she files a separate return? Contribution to Roth IRA Schedule Y-2-Married Filing Separately The tax is: If taxable income is But not over: over: Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income But not over: The tax is: is over: s 0 $ 19,400 10% of taxable income $ 19.400 $ 78.950 $1,940 plus 12% of the excess over $19,400 $ 0 $ 9,700 $ 9.700 S 39.475 10% of taxable income S970 plus 12% of the excess over $9,700 $ 78.950 $168.400 $ 39,475 S S4.200 $9.086 plus 22% of the excess over $78.950 $4.543 plus 22% of the excess over S39.475 $168,400 $321.450 $ 84,200 S160.725 $28.765 plus 24% of the excess over $168.400 $14,382.50 plus 24% of the excess over SS4.200 $321,450 S403,250 $160,725 S204,100 $65,497 plus 32% of the excess over $321,450 $32.748.50 plus 32% of the excess over S160,725 c. Assume that Ashley earned all of the couple's income and that she contributed the maximum amount she is allowed to contribute to a Roth IRA. What amount can be contributed to Jackson's Roth IRA? Contribution to Roth IRA