<human>: Question: What department did Dell launch an internal investigation on?

Is On August 17, 2007, Dell Inc. announced that after an internal investigation into its accounting practices it would restate and reduce earnings from 2003 through to the first quarter of 2007 by a total amount of between $50 million and $150 million, or 2 cents to 7 cents per share. a good answer to this question?

OPTIONS:
- yes
- no
<bot>: yes