Expansion in supply refers to a situation when the producers are willing to supply

The correct answer is: C. Larger quantity of the commodity at the same price.

Expansion in supply refers to a situation when the producers are willing to supply a larger quantity of a good or service at the same price. This can happen for a number of reasons, such as:

• A decrease in the cost of production.
• An increase in the demand for the good or service.
• An increase in the number of producers in the market.

Expansion in supply is a good thing for consumers, as it leads to lower prices and a wider variety of goods and services to choose from.

Option A is incorrect because it refers to a decrease in supply, not an increase.

Option B is incorrect because it refers to a decrease in demand, not an increase.

Option D is incorrect because it refers to a decrease in price, not an increase.