When interest rates are in the range 1% to 6%, the duration of a 30-year amortized loan is in the range O A. 20-30 years OB. 15-20 years OC. 10-15 years OD. 5-10 years E. 30 years precisely When interest rates are in the range 1% to 6%, the duration of a 30-year amortized loan is in the range O A. 20-30 years OB. 15-20 years OC. 10-15 years OD. 5-10 years E. 30 years precisely