Ok...
...there's obviously a glitch or they're trolling us.
Last time Britney was up against a Wal-Mart exclusive album (The Eagles) all the sales were reported at once. So if Garth Brooks has numbers reporting, that means Wal-Mart is one of the reported retailers so he should be done.
I can't see him stopping at 99k when he was expected 150k. Clearly, HDD is toying with The Army here...