<prompt>  Consider the following conditions- 1. Urinary flow rate less than 10ccsecond 2. Residual volume or urine 100cc 3. Serum level of prostatic specific antigen 10 mmollitre 4. Trabeculated urinary bladder Which of the above are indications of TRUP for BHP1, 2 and 32, 3 and 41, 2 and 41, 3 and 4 