Final answer:
To file his taxes, Andrew must use Form 1040 Schedule 3 option c. This form is used if Andrew owes self-employment taxes and has one dependent.
Step-by-step explanation:
To file his taxes, Andrew must use Form 1040 Schedule 3 option c. This form is used if Andrew owes self-employment taxes and has one dependent. Schedule 3 is used to calculate and report additional taxes owed, such as self-employment tax or the penalty for early withdrawal of savings or retirement funds. It is important for Andrew to accurately complete this form to ensure he meets his tax obligations.