Quote Originally Posted by L. Duke
This product IS priced by attribute, so I'm thinking the problem is related to that issue.
It appears so. I briefly searched the forum and only found a few cases of people reporting the problem. There is this one older post that also has a work-around. It's not the most elegant solution but looks like it should work for the most part: http://www.zen-cart.com/forum/showthread.php?t=24320