Which statement regarding Coverdell ESAs is correct? 1. A beneficiary may not have more than one ESA. 2. A distribution may not be used to pay for uniforms for a student attending a private elementary school even when required by the school. 3. Contributions are limited to $2,500 per beneficiary each year. 4. Contributions can be made as long as the beneficiary is under the age of 18 or is a special needs beneficiary