What’s a few hundred tons among friends?

I have to admit I am just baffled by the ABC News story this morning on the possible discrepancy in the amount of RDX explosive stored at Al Qaqaa.
Let’s keep this simple. Here’s the ABC News story:
International Atomic Energy Agency documents obtained by ABC News and first reported on “World News Tonight with Peter Jennings” indicate the amount of missing explosives may be substantially less than the Iraqis reported.
The information on which the Iraqi Science Ministry based an Oct. 10 memo in which it reported that 377 tons of RDX explosives were missing