Effective supply is the total amount of a commodity?

A. from a single producer
B. in the warehouse of producers
C. offered for sale at a market place
D. produced for the market

Correct Answer: Option C

C. offered for sale at a market place

Explanation

In economics, effective demand (ED) in a market is the demand for a product or service which occurs when purchasers are constrained in a different market. it is the Quantity of a good or service that consumers are actually buying at the current market price.