[The information presented here applies to questions 10 & 11.] A building offers 60,000 square feet of rentable space and it currently occupied by two tenants, A and B. If tenant A occupies 35,000 square feet of space and tenant B occupies 13,000 square feet, what is the building's current occupancy rate?

If the annual expense for utilities is $2.15/sf and utilities are 30% fixed, what is the utility expense based on the occupancy rate?