A company rents a building with a total of 50,000 square feet, which are evenly divided between two floors. The total monthly rent for the building is $30,000. The company allocates $20,000 of total rent expense to the first floor and $10,000 of total rent expense to the second floor.How much of the monthly rental expense should be allocated to a department that occupies 10,000 square feet on the first floor?