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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.

c$.$ Susan's salary and the couple's AGI before any IRA contribution deductions is $$85,000.$ The couple files a joint tax return.