find the incremental IRR, its not 19% that was wrong. thx in advance for the help, I'll like the answer

Consider the following cash flows of two mutually exclusive projects for Tokyo Rubber Company. Assume the discount rate for both projects is 8 percent. d. Calculate the incremental IRR for the cash flows. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Q Answer is complete but not entirely correct