C. How, it at all, would your answer to l'art b. change it the adopuolelo g. 20. Earned Income Credit. (Obj. 2) 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, as dependents. The Barnetts' AGI is $14,400, which consists entirely of Ron's wages. b. Joseph is a 25-year-old graduate student. His gross income consists of $5,000 of wag and $80 in interest from a savings account. Joseph files as single and claims no dependents. c. Suzanne and Vernon Zimmerman file a joint return, claiming their 6-year-old daughter as a dependent. The Zimmermans'AGI consists of Vernon's $26,375 in wages, and $400 in dividend income. d. Sarah files as 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