Leungo borrows $120 000 loan from BBS to buy a house over twenty-year period and interest is payable annually at the end of each period. If the interest is 5%, what are his payments. (4 marks) c) Kubu Drilling Company saves $8 million at the end of each year to acquire a new drilling rig for $60 million by the end of year six. What interest rate should the company earn to achieve this target. (4 marks)