What is the primary financial statement that shows liabilities such as bonds?

The primary financial statement that shows liabilities such as bonds is the balance sheet. The balance sheet provides a snapshot of a company's financial position at a specific point in time and lists assets, liabilities, and equity. Liabilities represent the company's obligations, and they are classified as either current or long-term. Bonds, as a long-term liability, are presented in this section to reflect the amounts owed to bondholders.

The income statement, by contrast, focuses on revenues and expenses over a period of time and does not provide information on the company's obligations. The cash flow statement tracks the cash inflows and outflows, categorizing them into operating, investing, and financing activities, but it does not detail the balances of liabilities. The statement of changes in equity outlines the movements in equity accounts over time but does not include information on liabilities. Therefore, the balance sheet is the correct answer because it comprehensively presents all liabilities, including bonds.