21.   At the same time, it had higher costs from adding a second production shift and training workers.

22.   A few retail companies still have costs they can eliminate.

23.   A lower won means that Korean memory-chip makers have lower costs in dollar terms.

24.   According to Furman Selz, an investment firm, only Nynex Corp. has higher costs.

25.   All of this has its cost.

26.   All filters will have recurring costs for new cartridges, electricity to run the system, or both.

27.   But airtight security has a cost.

28.   But even that good news has a cost.

29.   But firms such as NRT are likely to have lower costs because of their large size, Murray said.

30.   But Frakes said such caution has a cost.