<prompt>  Consider the following conditions -1. Urinary flow rate less than 10cc second 2.Residual volume of urine 100cc 3.Serum level of prostatic specific antigen 10 mmol litre 4. Trabeculated urinary bladder Which of the above are indications of TRUP for BHP?1,2 and 32,3 and 41,2 and 41, 3 and 4 