COMMON COST FACTORS 400W Metal Halide High Bay 180W Cireon Everest VI High Bay Average utility rate over 6 years at $0.12/kWh 400W Burdened Labor Rate: $75/h 85% (see chart below) Sales Tax: 6.75% Freight: 1.97% VARIABLE COST FACTORS Initial Watts 400W 180W Ballast Efficiency 85% (per Philips Advance data) N/A Total System Draw 471W 180W (independent LM-79 testing) Effective Hours of Operation 18 12 (equivalent full draw) MONTHLY OPERATING COST $

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