40/F presented to AIIMS OPD with the following findings-Hb-9.8gm%, TLC= 15,700/cumm, Platelet counts 3 lac/cumm. Peripheral smear showed increased neutrophils with 14 % blasts, 15% myelocytes and metamyelocytes with some dysplasia. Cytogenetic study revealed t(8;21). What is your diagnosis?