Which is false regarding Healthy Sunlight Exposure?

a) No more than 10% of the area can receive more than 1,000 lux of sunlight for 250 hours each year
b) At least 50% of occupied space must receive at least 250 lux of sunlight for at least 10% of the operating hours each year
c) At least 55% of the space must receive at least 300 lux of sunlight for at least 50% of operating hours each year
d) Spatial daylight autonomy must be achieved for at least 55% of regularly occupied space
e) Annual sunlight exposure must be achieved for no more than 10% of regularly occupied space