Match the items in Column I and Column II.Column IColumn IIP. Metallic Chills1. Support for the coreQ. Metallic Chaplets2. Reservoir of the molten metalR. Riser3. Control cooling of critical sectionsS. Exothermic Padding4. Progressive solidification

• A. P – 1, Q – 3, R – 2, S – 4
• B. P – 1, Q – 4, R – 2, S – 3
• C. P – 3, Q – 4, R – 2, S –1
• D. P – 4, Q – 1, R – 2, S – 3