Baden Airtaxi AG wants to purchase new business airplanes. For financing the project, an annuity loan with the house bank with the following conditions established:

-Nominal amount of the loan: 80.000.000

-Term: 8 years

-Nominal Interest Rate: 4% p.a.

a) From Baden Airtaxi AG's point of view, determine the annuity to be paid annually as well as the interest and repayment obligations for the first two years.

b) As an alternative, the bank also offers an amortizing loan. Please calculate the interest and repayment obligations for the first two years.