Which of the following statements is true about 401(k) plans?
- A 401(k) plan is a deferred compensation plan primarily for employees of state and local governments.
- A 401(k) plan can be funded through pre-tax salary reductions.
- A 401(k) plan must allow eligible employees to contribute up to 15% of their wages.
- A 401(k) plan is designed primarily for employees of tax-exempt organizations.