20. EARNED INCOME CREDIT: For Each of the following situations, compute the taxpayer's 2019 earned income credit.

a. Patty and Ron Barnett file a joint return, claiming their two sons, ages 3 and 5, as dependents. The Barnetts' AGI is $14,400, which consists entirely of Ron's wages.

b. Joseph is a 25-year-old graduate.His gross income consists of $5,000 of wages and $80 in interest from a savings account. Joseph files as single and claims no dependents.

c. Suzanne and Vernon Zimmerman files a joint return, claiming her 6-year-old daughter as a dependent. The Zimmerman's AGI consist of Vernon's $26,375 in wages and $400.00 in dividend income.

d. Sarah files head of household, claiming her 2-year-old son as a dependent. Sarah's AGI consists of $18,000 in wages and $3,620 in interest income.