The following are four customer accounts.
1. Long 70,000 March XYZ calls and long 6,000 March XYZ puts
2. Long 70,000 March XYZ calls and long 6,000 July XYZ calls
3. Long 70,000 March XYZ calls and short 6,000 July XYZ calls
4. Long, 70,000 March XYZ calls and short 6,000 March XYZ puts
Which accountd are in violation of the exchanges position limit which is equal to 75,000 contracts for XYZ? Please explain