transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. N[v=;&
In other words, both buyer and seller should be fully aware of all the factors that comprise the total mZuLwd$0
“package” being exchanged for the asked-for amount of money in order that they may evaluate a H <P d&
given price. Lw1[)Vk}E
04 A..`?oGj
Electricity [,MK)7DU
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and pF8+<
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telephones that it is hard to imagine what life would be like without them. When there is a power (hIo0 .
failure, people grope about in flickering candlelight, cars hesitate in the streets because there are no v (S h+p
traffic lights to guide them, and food spoils in silent refrigerators. F~bDg tN3
Yet, people began to understand how electricity works only a little more than two centuries ago. 3
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Nature has apparently been experimenting in this field for million of years. Scientists are discovering
