The face value worth P 230,000.00 has a rate of 15% per year. How much is the banker's discount in 8 years? How much is the banker's gain if the P 170,000.00 banker's discount has P 150,000.00 true discount? How much does a P 90.00 cost after a year if the interest rate is 4.5%? If the chocobutternut donut has a cost of P 12.00 ten (10) years ago, how much would it cost nine (9) years ago if the interest rate is 5%. A fishball cost P 1.20 this year, if it cost 1 peso last year, how much is the interest rate