The IRR function is like solving for I/Y except it can handle nonconstant and/or irregularly timed payments. IRR solves the following equation: 0= CF: (1 + IRR) IRR solves for the interest rate at which the project's cash flows "break even." Assume the previous cash flow stream is a possible investment priced at $1,850. Now the cash flow stream is: -$1,850 $100 $400 $800 $800 $500 0 1 2 3 4 5 Enter values into the CF worksheet like before, or if you haven't cleared out the worksheet's memory, access the CF worksheet and just change CFO. Press IRR to access the IRR function and CPT to calculate. What is the internal rate of return (IRR) of the cash flow stream described above? IRR =