Allocating service department costs. The Lewis Group, Inc., allocates the costs of its Building Services Department to the producing departments on the basis of square feet of floor space occupied. The Grinding Department occupies 3,000 square feet: the Mixing Department occupies 1,500 square feet; and the Finishing Department occupies 2,000 square feet. The costs of the Building Services Department for March 19X4 totaled $6,820. How much is allocated to each producing department?