What is the IRR for the following project if its initial after tax cost is $5,000,000 and it is expected to provide after-tax operating cash flows of ($1,800,000) in year 1, $2,900,000 in year 2, $2,700,000 in year 3 and $2,300,000 in year 4?

none of these

11.44%

5.83%

9.67%