need help with work out problem!! thanks in advance

Mr. Garrett, a single taxpayer, has $15,500 AGI. Assume the taxable year is 2019. Use Standard Deduction Table a. Compute his taxable income if Mr. Garrett's AGI consists entirely of interest income. He is 19 years old and is considered a dependent of his parents for tax purposes. b. Compute his taxable income if Mr. Garrett's AGI consists entirely of wage income. He is 19 years old and is considered a depende of his parents for tax purposes. c. Compute his taxable income if Mr. Garrett's AGI consists entirely of interest income and he lives with his son who provides more than one-half of his financial support. He is 70 years old Complete this question by entering your answers in the tabs below. Required A Required B Required c Compute his taxable income if Mr. Garrett's AGI consists entirely of interest income. He is 19 years old and is considered a dependent of his parents for tax purposes. Taxable income Required B > Complete this question by entering your answers in the tabs below. Required A Required B Required Compute his taxable income if Mr. Garrett's AGI consists entirely of wage income. He is 19 years old and is considered a dependent of his parents for tax purposes. Taxable income Required A Required B Required Compute his taxable income if Mr. Garrett's AGI consists entirely of interest income and he lives with his son who provides more than one-half of his financial support. He is 70 years old. Taxable income