Which of the following taxpayers might benefit from filing Form $8379,$ Injured Spouse Allocation? William and Kate file a joint return, which results in a refund that includes refundable credits. Kate earned $$47,000.$ William was a stay$-$at$-$home dad and had no earned income. Willam owes back child support. Stewart had earned income and files a joint return with his wife. Sally. Sally did not work in $2023.$ Their Joint return results in a refund that is not dependent on any refundable credits. Steward owes $$4,875$ in delinquent student loan payments. Oscar and Maribel file a joint return that results in a refund that includes refundable credits. Both had earned income. Oscar was married before and bought a car for his ex$-$wife. He is behind on those payments. Harry misrepresented the amount of tax withheld when he filed a joint return with his wife, Meghen.