Answer: Short-term debt obligations

**Explanation:** - **A (Correct):** Short-term debt obligations are financial liabilities and are included on a company's financial balance sheet. - **B (Incorrect):** Customer relationship contracts, while valuable, are intangible assets and are excluded from the financial balance sheet. They may appear on an economic balance sheet. - **C (Incorrect):** Supplier agreements, similar to customer contracts, are intangible assets and are not included on the financial balance sheet. They may also be part of an economic balance sheet.

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