A company applies for a 170,000 mortgage loan to be repaid with fixed monthly installments at a 2,25% annual nominal interest rate compounded over 25 years. Please, find the amounts that would correspond to the following items:

a) The amount of the monthly installments, the total amount paid, and the interest to be paid over those 30 years.

b) The principal pending at the end of year 10 and the amount of interest paid in those 10 years.

c) The amounts corresponding to the first 4 years of the loan amortization schedule.