Which one of the following Lewis structures is definitely incorrect? 
Definitions:
Receivables
Debts owed to a company by customers or other parties arising from the sale of goods or services or loans given.
Investment Securities
Financial instruments purchased with the intent of holding them for investment. These can include stocks, bonds, and other securities.
Patents
Legal documents granting an inventor exclusive rights to produce, use, and sell an invention for a certain period of time.
Raw Materials Inventory
The total cost of all components and materials that are used in the production of a final product but have not yet been used in the manufacturing process.
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