A warehouse information system is defined, which includes processes such as STOCK COUNTING, ORDER DELIVERY, GOODS ACCEPT

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A warehouse information system is defined, which includes
processes such as STOCK COUNTING, ORDER DELIVERY, GOODS ACCEPTANCE,
CONTINUOUS CUSTOMER DISCOUNT, PAYMENT TRACKING, ORDER PURCHASE. For
this system, execute the following tasks.
a) Define all use cases for the “receiving and processing an
order from a client” business processes.
b) Derive the SSD diagrams of written use cases.
c) Construct the domain model using documented use cases.