transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. Ymx/N+Jl
In other words, both buyer and seller should be fully aware of all the factors that comprise the total {o AJL
“package” being exchanged for the asked-for amount of money in order that they may evaluate a DdPU\ ZWR
given price. E<Efxb' p
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Electricity ("ql//SL
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and r3;?]r.}7
telephones that it is hard to imagine what life would be like without them. When there is a power Xbe=_9l&p
failure, people grope about in flickering candlelight, cars hesitate in the streets because there are no "cj6i{x,~w
traffic lights to guide them, and food spoils in silent refrigerators. ,x&T8o/a
Yet, people began to understand how electricity works only a little more than two centuries ago. ZDMS:w.'T
Nature has apparently been experimenting in this field for million of years. Scientists are discovering
