Shopping cart abandonment report is extremely inaccurate

To be honest, I haven't used Netsuite's web reports much. We didn't want to pony up for the advanced web reporting stuff, and have been using external packages to track ROI and the usual web stats. Recently I started looking at the cart abandonment report, and was pretty astonished. I'll give an example.

For May 14th, Netsuite's shopping cart abandonment report says there were 79 carts created and 73 orders placed for a cart abandonment rate of 7.59%. Anyone vaguely familiar with e-commerce web sites should have fallen on the floor laughing by now at the very idea that a cart abandoment rate could go below 50%. It just doesn't happen under normal circumstances, and our e-commerce site is within the normal range for its conversion rate and other web stats numbers. The idea that a web site with a 4% overall conversion rate would have a 92% retention rate from cart to