Answer:
IRR= 22%
Step-by-step explanation:
The Internal Rate of Return (IRR) is a measure of how profitable is the money that remains invested during the life of a proyect. It is also known as the discount rate that makes the Net Present Value (NPV) equal to cero.
The manual formula is attached to this answer but i used excel:
First we create the free cash flow: table attached. The first item in the moment or year 0 is the investment and this is always a negative flow.
Then we search in the finantial formulas the IRR and use it in this way : "=IRR(C3:C6)"