Fire load, a fire risk criteria to classify occupancies, for a building having an area of 100 m2 with combustible material of 1,000 kg having calorific value of 4,000 kcal/kg will be

• A. 4,00,000 kcal/m2
• B. 40,000 kcal/m2
• C. 250 kcal/m2
• D. 25 kcal/m2