Determine the total allowable 2019 earned income credit in each of the following situations:

a. Judy is single and earns $6,500 in salary for the year. In addition, she receives $3,500 in unemployment compensation during the year.

b. Monica is a single parent with one dependent child. She earns $12,500 from her job as a taxicab driver. She also receives $4,700 in child support from her ex-husband.

c. Paul and Yvonne are married and have three dependent children. Their earned income is $21,300, and they receive $3,900 in interest income from their savings account.

d. Hattie is married to Herbert, and they have two dependent children. During February, Herbert leaves and hasn’t been seen or heard from since. Hattie earns $16,400 from her job. During January and February, Herbert earned $4,800, but Hattie has no idea how much he earned for the entire year.