1. A person deposited $188 in a bank in 1,990, at an interest of 12% compounded bi-monthly, with instructions that it shall be withdrawn and donated to a cancer research institute when it amounts to $137,040. At the end of what year should the money be withdrawn?

Round your final answer to 4 decimal places, do not round your intermediate solutions.

2. The sum of P4200 will be withdrawn from a fund at 3-month intervals, the first withdrawal to be made 3 months hence. The principal in the fund at present is P45,000, and the interest rate of the fund is 5 percent per quarterly period. How many withdrawals can be made, if it is necessary to maintain a minimum balance of P6000 in the fund?

Round your final answer to 4 decimal places, do not round your intermediate solutions.

3. Mr. Green had a housing loan amounting to P2,965,318, and it was to be amortized by a group of 30 end of year payments in an ascending linear progression. Mr. Green had an initial payment of P91,000 during the first end of year. The interest rate of the loan was 15% compounded annually, how much should the increase of payment every year in the amortization?