4. Calculate the profitability index for each project from the following cash flows, and state whether each project should be undertaken using that investment criteria and why or why not: Original Investment Year 1 Year 2 Year 3 Year 4 Interest rate IA 1B (58,000,00) (32,000.00) 12,000.00 14,000.00 16,000.00 16,000.00 18,000.00 10,000.00 22,000.00 6,000.00 13% 9% Profitability Index Undertake Project? Discuss, very briefly using the profitability index criteria, why or why not. 1A 1B