The electrical power usage in a factory is shown in the table below. The utility contract calls

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The electrical power usage in a factory is shown in the table below. The utility contract calls for energy charge of $0.15/kWh and demand charge of $15 per peak kilovolt-ampere over any 15-min period during the month. Determine: 

(1) The utility bill in a 30-day month and 

(2) The new monthly bill if the pf during the first shift is improved to unity.

Shift 1 2 3 Hours Used 8  8 8 Average Kilowatt 1000 500 100 Peak Demand Kilovolt-Ampere 1400 700 150

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