> D Graphing the crossover rate helps to O understand the duration of a project O understand the relationship between profitability index and net present value O select between two mutually exclusive projects Question 8 The internal rate of return (IRR) is O the rate where profitability index is higher than 1 the rate where NPV is 0 O the rate where payback period is higher than 10 O the rate where NPV exceeds 0 Question 9 Assume a project has cash flows of -$49,800, $12,200, $37,300, and $8,300 for Years 0 to 3, respectively. What is the profitability index given a required return of 14.6 percent? O 1.03 0.89 O 0.36 1.41 2 pts 2 pts