A is planning to invest in an automatic watering system for its farm this year. The total investment cost he has to pay is ($) 450 million. The automatic watering system has a life of 15 years and each year of the life cycle will help A save costs that are equal to 75 million ($). All investment costs will be financed by a bank loan at an interest rate of 10% per annum with a reasonable maturity and repayment schedule. a. There is no need to determine the loan term and repayment schedule, calculate and explain whether A should invest in an automatic watering system for his or her farm? b. The bank decided to give a 12-year loan, but weighed in between the two repayment schedules. For the first repayment schedule, A will pay interest annually and at the end of the 12th year, pay all principal in one time. For the second repayment schedule, A will pay both principal and interest annually. From a bank's perspective, which repayment schedule is better?