Briony has a project for which she had determined a present worth of $56,740. She now has to calculate the IRR for the project, but the information that she only remembers - after her computer files about the project got deleted - is that the project has a five-year service life and a first cost of $180,000, that a set of equal cash flows occurred at the end of each year, and that the MARR used was 10 percent. What is the IRR for this project? O 21.7% O 22.1% 22.3% O 21.4%