The market supply curve is a statement of actual sales by suppliers.
The market supply curve is a summary of the supply intentions of all producers.

Question

Quizplus · Accepted Answer

The market supply curve represents the quantity of a good or service that all producers in a market are willing and able to offer for sale at each price level. It is based on the supply decisions of all producers, but it does not necessarily represent actual sales. Actual sales may be influenced by other factors such as demand and market conditions.

The Market Supply Curve Is a Statement of Actual Sales