\f(d) Utama Berhad is considering investing in a new machine to automate its production process. The machine cost RM4.500.000 and the cost saving is RM525,000 a year over the next 15 years. At the end of the 15th year, the machine would be sold off at RM650,000. The discount rate is 8.25%. Required: Calculate the net present value of the investment. Advise management whether the investment is viable. (7 marks