The correct sequence of location of equipment in the flue gas path from furnace exit up to chimney is

• A. Superheater, economizer, air heater electrostatic precipitator and induced draft fans
• B. Superheater, economizer, electrostatic precipitator, induced draft fans and air heater
• C. Superheater, electrostatic precipitator, economizer, air heater and induced draft fans
• D. Superheater, electrostatic precipitator, induced draft fans, economizer and air heater