ks) c) Company A is planning to purchase a machine with the cost of $15W,000. Table 3c has the information on the annual cash flow and project cash flow. By referring to those information, investigate the Cash Flows Timing (year) 1 2 Project Cash Flow ($) 10000 30000 35000 40000 40000 32000 28000 y=5 3 4 5 6 7 Table 3c: Company A's purchase machine cash flow. 1) Payback period. 2) Return of Investment (ROI). 3) Net Preset Value (NPV) at 1Y %. 4) Internal Rate of Return (IRR). (3 marks) (3 marks) (3 marks) (4 marks)