Bank granted a 5 year credit. Each fixed installment in amount of PLN 75,000 is paid at the end of each 5M. The bank offers equilibrium rate under 4M capitalization equaling 12% p.a. What is the principal amount of this credit? Bank granted a 5 year credit. Each fixed installment in amount of PLN 75,000 is paid at the end of each 5M. The bank offers equilibrium rate under 4M capitalization equaling 12% p.a. What is the principal amount of this credit