A company rents a building with a total of 68,000 square feet, which are evenly divided between two floors. The total monthly rent for the building is $57,000. The company allocates $38,000 of total rent expense to the first floor and $19,000 of total rent expense to the second floor. How much of the monthly rental expense should be allocated to a department that occupies 13,600 square feet on the first floor