UsePrint 10 page homeworkIn the north teacher 1 F of a teaching building inside the big campus

Use
Print 10 page homework
In the north teacher 1 F of a teaching building inside the big campus, 4 set computers, 3 set duplicators, two young men all at engaged.Work after a day, computer and duplicators all have some hair to burn.Duplicator above of wall up stick a price list:"Print, 50 as follows each Zhang Yi Mao;50s are above each 8 cent."This price is too cheap to Ms. Lin.Early hear in the outside that printing a piece of A4 paper is basic to is a dollar per piece, because is expensive and inconvenient, some parents still bought a household-use printer.
The young man of this store once told Ms. Lin, of so cheapness mainly is because of have great capacity.The teacher, student sometimes prints up to thousand, around ten thousand piece.Moreover, to teacher, student also not the ability is too costly, Be getting more expensive, came for the nobody, after all there is still quite a few house in the campus be like them thus of print a store.