Question: Consider two energy-saving devices. Device A will reduce your power bill by $125/month, and will last 4 years. Device B will reduce your power

Consider two energy-saving devices. Device "A" will reduce your power bill by

Consider two energy-saving devices. Device "A" will reduce your power bill by $125/month, and will last 4 years. Device "B" will reduce your power bill by $100/month, and last 6 years. Each costs $1800. What is the SPP and ROI for each device? (Use the definitions of SPP and ROI that I briefed in class.)

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