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Visual Models for Software Requirements by Joy Beatty and Anthony Chen

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Chapter 24. Report Table

Each month, I get a bill from the utility company, which charges me for gas, electricity, and water. When the Texas temperatures climb above 100°F, we end up using a lot more water to keep our landscaping alive and electricity to keep our house cool. To help mitigate the costs, I read our house’s electricity and water meters and write down our usage every day. I create a running log and graph it to help my family understand how their behavior affects how much we spend for utilities. The log includes kilowatt hours of electricity and gallons of water, as well as a conversion to dollars spent based on our utility prices. With this information, we can make daily decisions to turn off lights and appliances and to water the ...

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