Problem 5-15 Profitability index Consider the following projects: Cash Flows ($) Project Co C1 D -11, 700 23, 400 -21, 700 37,975 :21 Assume that the projects are mutually exclusive and that the opportunity cost of capital is 12%. a. Calculate the profitability index for each project. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Project Profitability Index D E b-1. Calculate the profitability-index using the incremental cash flows. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Profitability-index