The only thing I can think of, is you're imagining a document (i.e. 1 A4 page) simple...
What if it's a document with hundreds of pages and clauses - and each page needs to be verified that there is no difference between what was 'pre-approved' and what was submitted? Obviously, you can't just trust they are the same - in which case it would take time...
CGB Price at posting:
3.7¢ Sentiment: Hold Disclosure: Held