Tri-Star, Inc., has the following mutually exclusive projects.

a. Calculate the NPV, IRR, MIRR, TPB and DPB for the projects.

b. Suppose the company's traditional payback period cutoff is two years. Which of these two projects should be chosen on that basis? Explain why

c. Suppose the company uses the NPV rule to rank these two projects. Which project should be chosen if the appropriate discount rate is 15 percent? Explain why

d. Suppose the company uses the IRR rule to rank these two projects. Which project should be chosen if the appropriate discount rate is 15 percent? Explain why

e. Suppose the company uses the MIRR rule to rank these two projects. Which project should be chosen if the appropriate discount rate is 15 percent? Explain why

Year	Project A	Project B
0	(15,300)	(10,700)
1	8,700	5,300
2	7,400	4,300
3	3,100	4,800