Light-emitting diode (LED) light bulbs have become required in recent years, but do they make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.45 and lasts for 1,000 hours. A 7-watt LED, which provides the same light, costs $2.25 and lasts for 40,000 hours. A kilowatt-hour of electricity costs $.121, which is about the national average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a 10 percent return and use a light fixture 500 hours per year, 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.g., 32.16.) 60-watt light bulb LED light bulb Equivalent annual cost
Light-emitting diode (LED) light bulbs have become required in recent years, but do they make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.45 and lasts for 1,000 hours. A 7-watt LED, which provides the same light, costs $2.25 and lasts for 40,000 hours. A kilowatt-hour of electricity costs $.121, which is about the national average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a 10 percent return and use a light fixture 500 hours per year, 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.g., 32.16.) 60-watt light bulb LED light bulb Equivalent annual cost
Chapter1: Financial Statements And Business Decisions
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mni.3
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![Light-emitting diode (LED) light bulbs have become required in recent years, but do they
make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.45 and
lasts for 1,000 hours. A 7-watt LED, which provides the same light, costs $2.25 and lasts
for 40,000 hours. A kilowatt-hour of electricity costs $.121, which is about the national
average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a 10 percent return and
use a light fixture 500 hours per year, 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.g., 32.16.)
60-watt light bulb
LED light bulb
Equivalent
annual cost](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9e6c8d69-623b-44fd-a67e-10d233ba265e%2F92846be1-4cd3-40b1-9626-e4f74c4142a3%2Fx4ct17j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Light-emitting diode (LED) light bulbs have become required in recent years, but do they
make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.45 and
lasts for 1,000 hours. A 7-watt LED, which provides the same light, costs $2.25 and lasts
for 40,000 hours. A kilowatt-hour of electricity costs $.121, which is about the national
average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a 10 percent return and
use a light fixture 500 hours per year, 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.g., 32.16.)
60-watt light bulb
LED light bulb
Equivalent
annual cost
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