Edward Berry runs a printing company and he needs to buy a machine that costs $75,000. He can take a 7 year loan from ANZ Bank that has a 7.2% per annum interest compounded quarterly, and requires equal quarterly repayments, commencing 3 months after the loan is drawn, with each payment consisting of interest and principal components. a. Calculate what would be Edward's quarterly repayment. (5 marks) b. If Edward wants to pay $3,867 a quarter instead, how long will it take him to pay off the loan? (5 marks)