Decrease in Quantity Supplied:

A decrease in quantity supplied occurs when less of a commodity is offered for saledue to a fall in its market price.  This produces a downward movement along the supply curve.  From figure 2.8, a fall in the market price from c6,000 to c5,000 led to a decrease in the quantity supplied from 50 bags to 40 bags.

From Figure , a fall in the market price from c6,000 to c5,000 led to a decrease in the quantity supplied from 50 bags to 40 bags. That is , moving from point C downwards to point D.