Step 1: Understanding satisfaction in economics.
The satisfying capacity of a commodity refers to how well it meets the needs or desires of consumers. This is primarily related to the utility a commodity provides.
Step 2: Explanation of options.
- (A) Demand: Incorrect. Demand refers to the quantity of a commodity that consumers are willing and able to purchase at various prices, but it does not directly relate to the satisfaction or utility provided.
- (B) Supply: Incorrect. Supply refers to the quantity of a commodity that producers are willing and able to produce and sell, not to the satisfaction or utility of consumers.
- (C) Production: Incorrect. Production refers to the process of creating goods and services, but it does not directly refer to the satisfaction or utility derived from those goods.
- (D) Utility: Correct. Utility refers to the satisfaction or pleasure derived from consuming a commodity, which represents its satisfying capacity.
Step 3: Conclusion.
The correct answer is (D) Utility, as it is directly related to the satisfaction a commodity provides to consumers.
Final Answer: Utility.