In multistory structures, if other floors in a building are not yet involved but are threatened by possible extension of the fire, they should be considered as interior exposures. How much extra should be calculated when determining fire flow?

A) 25 percent of the required fire flow of the fire floor should be added for each exposed floor above the fire floor.
B) 35 percent of the required fire flow of the fire floor should be added for each exposed floor above the fire floor.
C) An additional 400 GPM
D) No consideration is given to noninvolved areas.

A