b. Mr. Martin Smith has purchased a $500,000 house. He will put up $100,000 as down payment and agreed to pay off the rest with a 8 year mortgage. He will pay this mortgage using 8 equal annual payments at a rate of 10% per annum. First payment will be made at the end of the first year. i. Calculate the annual payments on the mortgage. marks) ii. Construct a loan amortization schedule for the first 4 years of this loan (8 marks)