There are two mutually exclusive projects under consideration by the
Stephen Company. The following is the expected cash flows from the
projects:
 
Year	Project A	Project B
0	-30,000	-60,000
1	10,000	20,000
2	10,000	20,000
3	10,000	20,000
4	10,000	20,000
5	10,000	20,000
The cost of capital is 14%.
Please calculate the following for each project:
?         NPV
  IRR (Round to the nearest whole percentage)
?         Profitability index
?         Payback period