Conditions:
. Loan principal = 250BTC
. Interest rate = 15% per month
. Payable back on or before Feb. 3rd 2012
. No partial installments accepted, but one shot early repayment OK
. Interests will be pro-rated to rounded-up number of days money was borrowed
. Amount to pay back on Feb. 3rd will be BTC 250 (principal) + BTC 37.5 (interests) = BTC 287.5 (total)
. Interest will start to accrue the moment the transaction gets one confirm.