A science auditorium building has 10 incandescent bulb of 60 watts filamant bulb 0.1m long and 0.0005diameter,The Mathematics department has 10 Incandescent bulb of 100 watts filament 0.3m long and 0.0005diameter.Determine:(1)The Average Luminosity of the bulb.(2)Total energy consumption(3)Total cost at a rate of 10kobo/watts.

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