TL Lumber is evaluating a project with cash flows of-$12, 800, $7, 400, $11, 600, and -$3, 200 for years 0 to 3, respectively. Given an interest rate of 8 percent, what is the MIRR using the discounted approach? 14.36 percent 13.25 percent 14.08 percent 15.40 percent 19.23 percent