A 30 year old patient presented with history of jaundice for 10 days. His liver function tests showed bilirubin of 10 mg/dl, SGOT/SGPT - 1100/1450, serum alkaline phosphatase -240 IU. He was positive for HBsAg. What should be the confirmatory test to establish acute hepatitis B infection -
IgM anti-HBc antibody
HBe Ag
HBV DNV by PCR
Anti-HBc antibody