Project x and Project are mutually exclusive and last 4 years. The initial investment in both of them is $18,000.
The cash flows of Project x are $4,00, $5,000,$6,000 and $7,000. Project has cash flows of $7,000,$6,000,$5,000 and $4,000.
Calculate the difference between the two projects' IRRs, specifically Project Y's IRR minus Project X's IRR.