Under Article 91 of the PRC Road Traffic Safety Law, what is the statutory penalty for driving a commercial motor vehicle after drinking alcohol (BAC between 20mg/100mL and 79mg/100mL)?

1. 15 days administrative detention, a fine of RMB 5,000, license revocation, and a 5-year ban on re-applying for a driver's license
2. A fine of RMB 1,000, 3 months license suspension, and 6 penalty points
3. A written reprimand and a temporary 30-day route restriction
4. Vehicle impoundment until alcohol metabolizes with no impact on the driving license