A debtor went through bankruptcy under Chapter $7$ and

received his discharge. Which of the following debts

were completely discharged, and which will remain as

future debts against him?

a$.$ A claim of $$9,000$ for wages earned within five

months immediately prior to bankruptcy.

b$.$ A judgment of $$3,000$ against the debtor for breach

of contract.

c$.$ $$1,000$ for domestic support obligations.

d$.$ A judgment of $$4,000$ for injuries received

because of the debtor$$s negligent operation of

an automobile.

Explain in IRAC format please.