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DFD's of Analyzed places and Explanation

The DFD was based on the analysis of three Home Appliance Stores. The three stores are
Home Comfort, Stellar Distributors Ltd and Standards Distributors Ltd.
In the Level 0 DFD, Home Comfort and Stellar Distributors Ltd both had six entities
but Standards Distributors Ltd had seven. All three Stores had similar entities and processes
but with differences.

Level 1 was more specific showing the information being passed when a customer
buys a good, how it affects stock, the process of supplying goods to the companies,
how accounts handles purchases and sales and the involvement of management in these processes.
To make reading better, The DFD's were explained on the same page the drawings were posted.

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