Instacart Inc. needs 30,000 square feet of usable office space. Theres an office building in prime location in Inland Empire that has exactly the square footage it needs located on its top floor. The top floor has 100,000 square feet of rentable space, of which 50,000 square feet is currently used by other tenants. The rent that the landlord is charging is $8 per square foot per year. (a) If Instacart is UNAWARE of any areas that are shared (a.k.a. common) by the tenants on the top floor (such as hallways, restrooms, lounge areas), it would expect to pay rent on ____ square feet of space which would result in ____ in total annual rent due. (b) Now, assume that Istacart IS AWARE of common areas on the top floor. It is also aware that in this case the landlord would be charging all the tenants on the floor their prorated share of rent for those areas. In this case, Instacart would expect to pay rent on ____ square feet of space which would result in ____ in total annual rent due.