A fast food restaurant group is considering a promotion campaign to rebuild its product brand name following an earlier crisis in food safety. It receives two proposals, Campaign A and Campaign B from its public relationship consultant. The group accepts projects that can be paid back up to 3 years. Tom, the finance manager of the restaurant group has prepared estimates of the initial investment and operating cash flows associated with each campaign, which are shown in table as below. Tom believes that the two campaigns carry similar risk and that the acceptance of either of them will not change the restaurant's overall risk. Tom also decides that the group's 10% cost of capital as the required rate of return. Year 0 1 2 3 4 5 Campaign A (S) (2,950,000) 970,000 1,020,000 1,150,000 800,000 500,000 Campaign B (S) (2,000,000) 850,000 700,000 700,000 700,000 700,000 a. Use the payback period method to determine which campaign should be adopted. (5 marks) b. Use the NPV method to determine which campaign should be adopted. (9 marks) c. Compare and contrast the techniques used in parts (a) and (b). Explain which criteria should be chosen? (6 marks) d. Which campaign should be chosen if based on Profitability Index instead? Explain. (5 marks) (Total 25 marks)