1)The Zoo Negara authority proposes a cart to bring all visitors surrounding the zoo in order to attract more people coming to Zoo Negara. The cart is estimated at a present value of RM 500,000 with a life cycle of four years including the maintenance cost of RM 50,000 a year. It is forecasted that about 240,000 visitors would come to visit the zoo in a year. Calculate how much is the cost of the ticket to be charged taking into consideration that the visitors who ride the cart is constant every year with an interest rate of 1% a month? 2)A lady saves RM 150 every month for ten years. If her saving is given an interest of 9% per year compounded every month, calculate the total saving at the end of year ten after her last saving of the year? 3)A company had replaced one of its machine every five years with an initial cost of RM 18,000. Calculate how much money that the company has to save every month so that it can obtain RM 18,000 within five years if the interest rate is 6% per year compounded every month?