When the price of inputs decreases:
the supply curve shifts up and to the left.
the supply curve shifts down and to the right.
there is an upward movement along the supply curve.
there is a downward movement along the supply curve.
When the price of inputs decreases, the supply curve shifts down and to the right. This is because lower input costs make it cheaper for producers to supply goods, leading to an increase in the quantity supplied at each price level.