pls calculate this for me (hand-written, show steps and formula )

dont use excel, thanks

Question 4 (10 marks) Daisy and Donald just got married and they decide to buy an apartment at SOHO central costing $8,000,000. They can afford to make a 40% down payment and will finance the balance with a 15- year fixed-rate mortgage. The bank charges 4.8%, compounded monthly on their mortgage loan. (a) What is her month-end mortgage payment? (4 marks) (b) What is the size of the interest repayment in the 61st loan repayment? (6 marks)