Curtis and Norma are married and file jointly. Curtis contributed $$1,000$ to his $401($k$)$ plan in $2023.$ Norma contributed $$1,000$ to an IRA in $2023.$ Their $2023$ combined adjusted gross income is $$33,500.$ What amount are Curtis and Norma eligible to claim for the Credit for Qualified Retirement Savings Contributions $($Saver$$s Credit$)$ on their income tax return?

A$.$ $$0$

B$.$ $$100$

C$.$ $$500$

D$.$ $$1,000$