In 2021, Amanda and Jaxon Stuart have a daughter who is 1 year old. The Stuarts are full-time students and they are both 23 years old. Their only sources of income are gains from stock they held for three years before selling and wages from part-time jobs. What is their earned income credit in the following alternative scenarios if they file jointly? Use Exhibit 8-11. (Leave no answer blank. Enter zero if applicable.)

a. Their AGI is $19,800, consisting of $7,400 of capital gains and $12,400 of wages.

b. Their AGI is $19,800, consisting of $10,000 of lottery winnings (unearned income) and $9,800 of wages.

c. Their AGI is $28,000, consisting of $23,000 of wages and $5,000 of lottery winnings (unearned income). (Round your intermediate calculations to the nearest whole dollar amount.)

d. Their AGI is $28,000, consisting of $5,000 of wages and $23,000 of lottery winnings (unearned income). (Round your intermediate calculations to the nearest whole dollar amount.)

e. Their AGI is $10,000, consisting of $10,000 of lottery winnings (unearned income).