In 2023, Susan (44 years old) is a highly successful architect and is covered by an employee-sponsored plan. Her husband, Dan (47 years old), however, is a Ph.D. student and unemployed. Compute the maximum deductible IRA contribution for each spouse in the following alternative situations.

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

a. Susan's salary and the couple's AGI before any IRA contribution deductions is $224,000. The couple files a joint tax return.