Ms. R. would like to buy a mobile home. For this purpose, she takes out a loan on 01.01.2021 Amount of 80,000 euros. An annual interest rate of 4.5% is set in the loan agreement.

a) Ms. R. agrees with the bank that the debt plus interest will be in nine equal amounts to be repaid at the end of each year. The first payment is to be made on December 31, 2022.

1. How much is the annuity to be paid at the end of each year from December 31, 2022? 2. Enter the repayment schedule line for the 7th year after the debt was taken on. 3. Ms. R. considers instead of the annuities, rather advance equal quarter payments in the years 2022, 2023, 2024 . . To achieve in 2030. How much is the quarterly payment?

b) Ms. R. agrees with the bank that the debt plus interest will be paid annuities in each case To repay 15,000 euros at the end of a year. The first payment is scheduled for December 31, 2022 respectively. How many years does she have to pay full annuities