Cost of validating software
The job of testing is an iterative process as when one bug is fixed, it can illuminate other, deeper bugs, or can even create new ones.
Software testing can provide objective, independent information about the quality of software and risk of its failure to users or sponsors.
However, manufacturing companies are particularly well-suited to ERP systems because the various pieces of the order fulfillment process are connected, making it easier to track orders and coordinate manufacturing, warehouse and shipping functions, especially among different locations.
Retail chains and third party logistics providers are also examples of companies that use ERP systems to manage their businesses.
Software testing can be conducted as soon as executable software (even if partially complete) exists.
The overall approach to software development often determines when and how testing is conducted.
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But, when same points which were verified on the paper is actually developed then the running application or product can fail while validation.
Employees input the data and access it via modules designed specifically for each functional area.