Step 1: Understanding the types of goods.
Goods used by producers as inputs are known as intermediate goods. These goods are used in the production process to create other goods, and they are not considered final products.
Step 2: Explanation of options.
- (A) Final goods: Incorrect. Final goods are goods that have completed the production process and are ready for consumption or investment. They are not used by producers as inputs.
- (B) Consumer goods: Incorrect. Consumer goods are goods purchased by individuals for personal use and are not used in the production process.
- (C) Intermediate goods: Correct. Intermediate goods are used by producers as inputs to produce final goods or services.
- (D) None of these: Incorrect. As stated, intermediate goods are the correct category for goods used as inputs by producers.
Step 3: Conclusion.
Thus, the correct answer is (C) Intermediate goods, as they are used by producers in the production process.
Final Answer: Intermediate goods.