Keller Company has gathered the following information on an investment project: The internal rate of return for this investment project is equal to: You will need to use the present value table factors posted in carmen to answer this question. To access these factors, click modules and then scroll to week 15. Click on the link labeled present value table factors. No credit will be given for this question using a means other than these posted table factors to answer this question. \begin{tabular}{l} 5% \\ 6% \\ \hline 7% \\ \hline 8% \\ \hline 9% \\ \hline 10% \\ \hline unable to determine from the information given \end{tabular}