53 Chapter 3: Investment analysis Benefit-cost ratio 6.6 Payback period (years) 2.3 Table 3.6: Projected benefits and costs, social perspective 1 2 3 4 Year Benefits to taxpayers (millions) State & local government costs (millions) Net cash flow (millions) 0 $124.5 $137.5 -$13.0 1 $4.0 $0.2 $3.8 2 $6.7 $0.2 $6.5 3 $10.2 $0.2 $10.1 4 $14.4 $0.2 $14.2 5 $22.8 $0.2 $22.6 6 $23.2 $0.2 $23.1 7 $23.6 $0.2 $23.5 8 $24.0 $0.2 $23.8 9 $24.3 $0.2 $24.1 10 $24.6 $0.2 $24.4 11 $24.9 $0.2 $24.7 12 $25.1 $0.2 $25.0 13 $25.3 $0.2 $25.2 14 $25.5 $0.2 $25.3 15 $25.6 $0.2 $25.4 16 $25.7 $0.0 $25.7 17 $25.8 $0.0 $25.8 18 $25.7 $0.0 $25.7 19 $25.7 $0.0 $25.7 20 $25.6 $0.0 $25.6 21 $25.4 $0.0 $25.4 22 $25.2 $0.0 $25.2 23 $25.0 $0.0 $25.0 24 $24.7 $0.0 $24.7 25 $24.3 $0.0 $24.3 26 $23.9 $0.0 $23.9 27 $23.5 $0.0 $23.5 28 $23.0 $0.0 $23.0 29 $22.4 $0.0 $22.4 30 $21.9 $0.0 $21.9 31 $21.3 $0.0 $21.3 32 $20.6 $0.0 $20.6 33 $19.9 $0.0 $19.9 34 $19.2 $0.0 $19.2 35 $18.5 $0.0 $18.5 36 $17.7 $0.0 $17.7 37 $16.9 $0.0 $16.9 38 $16.1 $0.0 $16.1 39 $15.3 $0.0 $15.3 Present value $929.3 $140.3 $789.1 Source: Lightcast impact model.
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