Project A costs $84,500 and has cash flows of $32,300, $36,400, and $30,000 for Years 1 to 3, respectively. Project B has an initial cost of $79,000 and has cash flows of $30,000, $36,000, and $29,000 for Years 1 to 3, respectively. What is the incremental IRR of these two mutually exclusive projects?