(now). A farmer bought a tractor costing P 25,000 payable in to semi-annual payments, each installment payable at the beginning of each period. If the rate of interest is 12% compounded semiannually, determine the amount of each installment (now). A farmer bought a tractor costing P 25,000 payable in to semi-annual payments, each installment payable at the beginning of each period. If the rate of interest is 12% compounded semiannually, determine the amount of each installment