Answer:
B.40,000 square feet
Step-by-step explanation:
Calculation to correctly denotes the number of square feet and employees over which the Building Maintenance cost and Human Resources cost would be allocated
Employees Human Resources 4,000
Machining 15,000
Assembly 21,000
Number of square feet 40,000
(4,000+15,000+21,000)
Therefore the number of square feet and employees over which the Building Maintenance cost and Human Resources cost would be allocated is 40,000