A manufacturer is considering to purchase a new processing machine. The initial cost of the machine will be $300 000. The expected increase in net cash inflow as a result of the purchase is $75 000 for the first year and $160 000 for each of the next two years. The machine will have a salvage value of zero. The weighted average cost of capital for the manufacturer is 7%. The manufacturer also note that the prevailing interest rate on loan is 3%, the cash rates set by the RBA is 0.15%, and its current holding of the interest-bearing government bond yields about 2%. find NPV and IRR?