An auditor doesn't have to ask the business owner for all the financial documents as they are already recorded in the system with an audit trail to follow. Here are some posts on small business accounting software choices: Accounting Software for Small Business Part 1 Accounting Software for Small Business Part 2
It is a fact that small businesses do not always run an organized financial department or even have the capability to do so. The cost of a small business hiring a financial expert to do all the record keeping and calculations in respect to profit and losses and tracking financial transactions could be quite high. As it is so costly to hire professionals for the smooth financial operation of your business, it is a good idea to consider doing the bookwork yourself using modern bookkeeping software.