Please show how this is calculated using an HP12c Consider the following projects: Cash Flows ($) Project C0 C1 D 10,200 20,400 E 20,200 35,350 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 b-2. Which project should you choose? Project D Project E