Use "amortisation" in a sentence

1. Amortisation, Present Values and Internal Rate of Return calculations were now

2. 800 pounds plus 2 1/2 % interest on the same, repayable quarterly in equal annual instalments until extinction by amortisation of loan advanced for purchase within a period of 20 years, amounting to an annual rental of 64 pounds, headrent included, the titledeeds to remain in possession of the lender or lenders with a saving clause envisaging forced sale, foreclosure and mutual compensation in the event of protracted failure to pay the terms assigned, otherwise the messuage to become the absolute property of the tenant occupier upon expiry of the period of years stipulated