Sparkle Metallurgy, Inc. has two service departments (Human Resources and Building Maintenance) and two production departments (Machining and Assembly). The company allocates Building Maintenance cost on the basis of square footage and Human Resources cost on the basis of employees. It belleves that Building Maintenance provides more service than Human Resources. The square footage and employees in each department follow. Assuming use of the step-down method, which of the following choices correctly denotes the number of square feet and employees over which the Bullding Maintenance cost and Human Resources cost would be allocated (i.e., spread)