The written test for New York driving school instructor applicants is based on which three primary sources?

1. Federal motor-carrier safety rules, NY Insurance Law, and a national driver-education manual used for commercial-driver training programs
2. The Driver's Manual (MV-21), Commissioner's Regulations Part 76, and Vehicle & Traffic Law Section 394
3. The NY Penal Code, the general DMV handbook, and an instructor-training manual
4. The MUTCD, the NY Driver's Manual, and Federal Highway Administration guidance