Determine the total allowable 2015 earned income credit in each of the following situations:

If an amount is zero, enter "0".

a.	Judy is single and earns $5,500 in salary for the year. In addition, she receives $2,300 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 $3,500 in interest income from their savings account. Assume the taxpayer files a joint return.	$
d.	Hattie is married to Herbert, and they have two dependent children. During February, Herbert leaves and hasnt 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. Assume the taxpayer files a joint return.