What are the requirements for fire hose reels and sprinklers in a two storey building with two levels of sole occupancy units with a roof level approximately 9 meters above ground level?

a) Fire hose reels are required on all floors however sprinklers are not required
b) Fire hose reels are not required as long as sprinklers are installed
c) Fire hose reels and sprinklers are not required for this building
d) Fire hose reels are required on the ground floor and sprinklers are required on the top floor