1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 F H OAL: In leasing property to multiple tenants, common for office space, you need to be able to adjust rents to recover lost rent due to common areas. 15 points. 24 25 26 27 You need 4,000 square feet of usable office space. A leasing broker shows you space in a 10-story multi-tenanted office building. This building contains 1,100,000 square feet of gross building area. A total of 150,000 square feet is interior space and is nonrentable. An additional 20,000 square feet of common lobby area on the 1st floor is usable by all tenants, as well as an additional 10,000 square feet in a common reception area and kitchen. The 4,000 square feet of usable area that you are looking for is the remaining useable area on the fourth floor, which contains 95,000 square feet of rentable area, and is leased by other tenants who occupy a combined total of 81,500 square feet of usable space. The leasing broker indicated that base rents will be $50.00 per square foot