Assume that you borrow 27 million JPY from some bank and the annual interest rate is 1.2%, and repay monthly to pay off at just 20 years (=240 months) later. (a) If you repay principal equally, (1) how much do you repay at the first time? (2) how much is the total repayment in 20 years ? (b) If you repay principal and interest (total) equally, (3) how much do you pay every month at least? (c) 1 (JPY) (JPY) (JPY) (4) If you will pay 150,000 JPY principal and interest equally, how long does it take to pay off? months.