transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. x 1.S+:
In other words, both buyer and seller should be fully aware of all the factors that comprise the total wgS,U }/i
“package” being exchanged for the asked-for amount of money in order that they may evaluate a Ic0Y
given price. 9_?x AJ
04 VWvSt C
Electricity [7FG;}lB-
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and #4m sBax4
telephones that it is hard to imagine what life would be like without them. When there is a power V}#X'~Ob
failure, people grope about in flickering candlelight, cars hesitate in the streets because there are no 0 5`"U#`:
traffic lights to guide them, and food spoils in silent refrigerators. LKu\M h|
Yet, people began to understand how electricity works only a little more than two centuries ago. TJO$r6&
Nature has apparently been experimenting in this field for million of years. Scientists are discovering
