Mr. G, a single taxpayer, has $15,700 AGI. Compute his taxable income in each of the following

Question:

Mr. G, a single taxpayer, has $15,700 AGI. Compute his taxable income in each of the following cases:
a. Mr. G’s AGI consists entirely of interest income. He is 19 years old and claimed as a dependent on his parents’ tax return.
b. Mr. G’s AGI consists entirely of wage income. He is 19 years old and claimed as a dependent on his parents’ tax return.
c. Mr. G’s AGI consists entirely of interest income. He is 70 years old.