Light emitting diodes (LED) light bulbs have become required in recent years, but do they...
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Light emitting diodes (LED) light bulbs have become required in recent years, but do they make financial sense? Suppose a typical 60-watt incandescent light bulb costs 5.41 and lasts 1,000 hours. A15.watt LED, which provides the same light, costs $320 and lasts for 12.000 hours. A kilowatt-hour of electricity costs $117 A kilowatt hour is 1,000 watts for 1 hout. If you requite a return of 9 percent and use a light fixture 500 hours per yeat, What is the equivalent annual cost of each light bulb? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.9.4 32.16.) Answer is complete but not entirely correct
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