Jake was just hired by an employer that maintains a SIMPLE IRA for its employees. Which of these statements regarding Jake's participation in the SIMPLE IRA is CORRECT? a. Covered compensation is limited to $330,000 for a SIMPLE IRA in 2023 if the employer elects a 3% match. b. The annual employer match may be limited to 1% of employee compensation each year. c. Jake may defer up to $15,500 into the SIMPLE IRA if he is younger than age 50. d. When Jake participates in the plan, he will be 50% vested in his employer's contributions