In 2022. Zach is single with no dependents. He is not claimed as a dependent on another's return. All of his income is from salary, and he does not have any for AGI deductions. What is his eamed income credit in 2022 in the following altemative scenatios? Use Exhibiti 8.11. Note: Round your intermediote and final answers to the nearest whole doller amount. Leave no answer blank. Enter zero if applicable. Required: 0. 7ach is 29 years old, and his AGI is $5,200. b. Zach is 29 years old and his AGI is $11,200 c. Zach is 29 years old and his AGl is $17,600. d. Zach is 17 years old and his AGI is $5,200