Whatever the work might be once it is completed by a normal man there would be some mistakes. Without making mistakes it is impossible to complete the task. When the work depends only on two to three people it will not affect more, but when the works are the lead to start to earn enough cash flow then it should be corrected if there are any mistakes in it. Even some mistakes will not affect more but as like the same few mistakes can cause more expensive and loss in profit. For example, while installing software there should be complete concentration in the installation process. If the software installed completely and if it fails to work on your system then the time that you have been spent installing the software would be considered a waste of time. But if there are any systems works to correct all those mistakes it …