Mr Anil bought some American dollars for Rs 540000 at the exchange rate of 1$=Rs 120 to visit USA. Unfortunately, because of his Visa Problem, he cancelled his trip. Within a week Nepali rupee is devaluated by 5%.He again exchanged his dollars to Nepali rupee after a week. a) How many dollars did he get with Rs 540000? b) What is the new exchange rate after devaluation in Nepali rupee? c) How much did he gain or lose? d) After devaluation of Nepali rupee, if the bank took 2% commission, how many rupee would he gain or lose?