For a Service Business,the Minimum Cardinalities Between Sales Event and Inventory

question 90

Multiple Choice

For a service business,the minimum cardinalities between Sales event and Inventory entity are most likely both 0 for all except which of the following reasons?

• A)Service businesses don't sell inventory,they only use inventory to perform services.
• B)A sale doesn't have to include any inventory.
• C)Inventory can exist that hasn't been part of a sale yet.
• D)Some services only require labor.

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