Rules for charging interest on withdrawals: 1) If withdrawals are made at the beginning of the month , the monthly withdrawal interest rate is 8.5 months. 2) If you withdraw in the middle of the month , the monthly withdrawal interest rate is 6 months. 3) Withdrawal at the end of the month , monthly withdrawal - interest rate of 5.5 months. 4) If you withdraw after 3 months, the rate of withdrawal interest is 2.5 5) If you withdraw after every one and a half months, you have to charge 1.5 months interest. Only if the above rules are known, it will be possible to determine the interest of Utol and it will be accurate