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Before investing in home solar technology, it is wise to investigate if the saving in the...

Before investing in home solar technology, it is wise to investigate if the saving in the cost of electricity justifies the amount you would invest in the panel. Assuming a monthly electrical usage of 980 kWh, 5 hours sunlight per day, and a 30-day month, calculate the number of panels you would need and the total cost for each of the following two types of panels: i). 140 W panel that costs $220 ii). 240 W panel that costs $300. What is your conclusion?

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