transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. ,{\Bze1fn
In other words, both buyer and seller should be fully aware of all the factors that comprise the total [M+f-kl
“package” being exchanged for the asked-for amount of money in order that they may evaluate a j xYc2
given price. d)~Fmi;
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Electricity Z7 E
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and <&)v~-&O
telephones that it is hard to imagine what life would be like without them. When there is a power
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failure, people grope about in flickering candlelight, cars hesitate in the streets because there are no qJ0fQI\
traffic lights to guide them, and food spoils in silent refrigerators. 3sd"nR?aX
Yet, people began to understand how electricity works only a little more than two centuries ago. O%r; 5kP
Nature has apparently been experimenting in this field for million of years. Scientists are discovering