Assume Towery Company uses a process costing system based on the FIFO method. Towerys accountant produces the following equivalent unit calculations for the month of July for the first department:

Also assume that the beginning inventory had accumulated $2,850 of materials and $7,930 of conversion costs in the previous month. During the month of July, current costs included $51,100 of materials and $79,310 of conversion costs.

Calculate the average cost per equivalent unit for materials costs for the month of July.

A) $0.14

B) $0.57

C) $6.80

D) $7.57

E) $10.22