Which sentence is punctuated correctly?
Responses

Jack will never finish his school project in time, or will he?
Jack will never finish his school project in time, or will he?

Jack will never finish his school project in time. or will he?
Jack will never finish his school project in time. or will he?

Jack will never finish his school project in time or will he?
Jack will never finish his school project in time or will he?

Jack will never finish his school project in time or, will he?