Correct Option: A. Customers' deposits Explanation of Why the Answer is Correct:

1. Understanding Liabilities: In accounting, a liability is defined as an obligation that a company owes to outside parties. For a commercial bank, liabilities are primarily the sources of funds that the bank uses to finance its operations and lend to customers.
2. Nature of Customers' Deposits: When customers deposit money into their bank accounts, the bank does not simply hold this money in a vault. Instead, these deposits become liabilities for the bank. This is because the bank is obligated to return these funds to the customers upon request. Therefore, customers' deposits represent a significant portion of a bank's liabilities.
3. Balance Sheet Perspective: On a bank's balance sheet, liabilities are listed alongside assets. The deposits made by customers are recorded under liabilities because they represent money that the bank owes to its depositors. This is a fundamental aspect of how banks operate, as they use these deposits to fund loans and other investments.
4. Regulatory Requirements: Banks are required to maintain a certain level of reserves against these deposits, which is regulated by central banks. This further emphasizes the nature of deposits as liabilities, as the bank must ensure it can meet withdrawal demands from customers.

Why the Other Options are Wrong or Weaker:

• B. Loans granted to customers:
• Explanation: Loans granted to customers are considered assets for the bank, not liabilities. When a bank issues a loan, it expects to receive payments back with interest, which generates income. Therefore, while loans are a critical part of a bank's operations, they do not represent an obligation to pay back anyone, making them assets rather than liabilities.
• C. Cash reserves:
• Explanation: Cash reserves are also considered assets. They represent the liquid funds that a bank holds to meet immediate withdrawal demands and regulatory requirements. While they are crucial for a bank's liquidity, they do not constitute a liability since they are not owed to anyone.
• D. The financial statements:
• Explanation: Financial statements are reports that summarize the financial position and performance of a bank. They do not represent liabilities themselves. Instead, they provide a snapshot of the bank's assets, liabilities, and equity. Therefore, this option does not relate to the concept of liabilities in the context of a bank's operations.

Summary of Key Points:

• Liabilities are obligations that a bank owes to others, primarily represented by customers' deposits.
• Customers' deposits are a major source of funds for banks and are recorded as liabilities on the balance sheet.
• Loans are assets for the bank, as they represent money that the bank expects to receive back with interest.
• Cash reserves are assets that ensure liquidity and regulatory compliance, not liabilities.

This understanding is crucial for anyone studying commerce, particularly in the context of banking and finance, as it lays the foundation for comprehending how banks operate and manage their financial obligations.