Answer:
Project A Project B
Initial investments ($170,000) ($115,000)
CF Year 1 $42,500 $34,500
CF Year 2 $58,500 $52,500
CF Year 3 $82,795 $68,500
CF Year 4 $92,900 $68,500
CF Year 5 $67,500 $68,500
using an excel spreadsheet and the IRR function, the internal rate of return of each project is:
We can use the discount rate (12%) to calculate the projects' NPV, we do not need it to calculate their IRR: