1. Payback Period -month cash payback period Net Cash Flow Proposal A: -year, Year and Months Year 1 Year 2 Year 3 Year 4 Cumulative Net Cash Flows Proposal B: -year, -month cash payback period Year and Months Net Cash Flow Cumulative Net Cash Flows Year 1 Year 2 Year 3 Year 4 Proposal C: -year, -month cash payback period Net Cash Year and Months Flow Cumulative Net Cash Flows Year 1 Year 2 Year 3 Year 4 Proposal D: -year, -month cash payback period Year and Months Net Cash Flow Cumulative Net Cash Flows Year 1 Year 2 Year 3 Year 4