You are a financial advisor and your client, the company THRIAMVOS LTD is interested in buying a building to house its offices. The financing for the purchase of the building will be done through loans as follows: The company has entered into a 20-year contract loan of  120,000 with the bank with an annual interest rate of 3.5%. The loan will be repaid in monthly equal installments. Required A: 1. Calculate the annual borrowing cost of the loan. (4 points) 2. Calculate the monthly loan installment. (4 points) 3. Calculate the amortization and interest corresponding to the 70th monthly installment (8 points). 4. Calculate the total repayment of the loan and the total interest to be paid in the first 5 years. (9 units