18 Jeff and Madison are married filing a joint income tax return. Jeff is 23 years old while Madison is 22, they have no children. Jeff and Madison were both full-time students during the year. Jeff worked part-time during 2021, earning $8,000 while Madison was employed as a nanny and earned $4.000 for the year. What amount of earned income tax credit can the couple claim on their 2021 federal income tax return? 12.000 0 1,502 1,836