What is the best description of the grass seed that is described in this scenario?

The Grass seed is a Product with elastic Supply ,  a Product which demand goes up and down as the price rise and fall

In the beginning the price of the seed was high with a high demand , so many people want to supply it. But as the supplier increase , the product became too much on the market so the demand drop. To attract more demand, the supplier lower the price and supply less.

The answer for this question is c