Which of the following is true?

Multiple choice question.

Joan, age $48,$ can contribute up to $$7,000$ in an IRA as of $2023.$

Bob, age $55,$ can contribute up to $$5,000$ in an IRA as of $2023.$

As of $2023,$ the contribution limit for IRAs is $$5,000$ for workers under $50$ years old.

Bill, age $58,$ can contribute up to $$7,000$ in an IRA as of $2023.$