1.   Hill refused to divulge the cost of FoxTrax.

2.   An industry spokesman would not divulge the cost of the campaign, which also includes television and radio spots.

3.   But it has rarely been put under a microscope, because the industry will not divulge the costs of researching and developing a particular drug.

4.   Wal-Mart would not divulge the cost of the project or the sales figures for the store.