Answer
Price elasticity of supply is greater in the long run. A firm cannot simply shut down or modify factory size in the short run. Time horizon is the answer. Over time firms can respond to changes in price by shutting down factories. Quantity supplied is more responsive to price in the long run.
Work Step by Step
This is a simple question of elasticity. Determine the elasticity then identify how firms respond to changes in time horizons both long run and short run.