The Smelting Department of Swifty Company has the following production and cost data for September. Production: Beginning work in process 1,700 units that are 100% complete as to materials and 20% complete as to conversion costs; units started and finished 8,700 units; and ending work in process 1,100 units that are 100% complete as to materials and 40% complete as to conversion costs. Manufacturing costs: Work in process, September 1,$15,000; materials added $67,620; labor and overhead $135,450. Swifty uses the FIFO method to compute equivalent units. (a) Compute the equivalent units of production for (1) materials and (2) conversion costs for the month of September. (b) Compute the unit costs for the month. (Round unit costs to 2 decimal places, e.g. 2.25.)