Answer: 20.15%
Explanation:
The IRR is the discount rate that makes brings the Net Present Value to zero.
It can be solved for by various means including using Excel as shown in the attached file.
Year 0 -33790
Year 1 8,210
Year 2 9,890
Year 3 14,120
Year 4 15,930
Year 5 10,820
= IRR (-33,790 , 8,210 , 9,890 , 14,120 , 15,930 , 10,820 )
= 20.15%