I don't believe that it has anything to do with a company wanting to hold their money for interest, in the grand scheme of things, it's a negligible amount. With these large companies, there are many steps to run through before the payment gets in queue. It's received, has to be approved by the guy who did the purchase who has to be tracked down, then possibly his boss. They code the expense, which has to be determined and may require a local response. Then back in the system and at that point scheduled to get paid. They give themselves time because nobody responds quickly and then they also need to manage their own cash flow. It's not the same process as you giving me a bill where I just yell across the office to cut a check. Another thing to consider is there is typically a dollar amount that requires dual signatures and usually the 2nd one is some bigger cheese that is always busy doing other things. For many of the people we work with, $5k is the limit..
