Don and Cynthia are married, and they will file a joint federal income tax return for 2018. Their 21-year-old daughter, Matilda, is a full-time student at their state university. She is their only dependent. Don and Cynthia are most likely to benefit from which of the following?
The personal and dependent exemption.
A refundable family tax credit.
An adjustment for non-child dependents, reported on Schedule 1.
A nonrefundable credit for other dependents.