Answer fully w formulas if used. Thanks

Exercise 4-2B Allocating costs between divisions Vega and Andersen, LLP has three departments: auditing, tax, and information systems. The depart- ments occupy 3,000 square feet, 2,500 square feet, and 2.500 square feet of office space, respectively The firm pays $8,000 per month to rent its ofices. Required How much monthly rent cost should Vega and Andersen allocate to each department