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Department G had 3,600 units, 40% completed at the beginning of the period, 12,000 units were completed during the period, 2,000 units were 20% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in process account during the period:

Line Item Description	Amount
Work in process, beginning of period	$ 60,000
Costs added during period:
Direct materials (10,400 at $9.8365)	102,300
Direct labor	79,800
Factory overhead	25,200

Assuming that all direct materials are placed in process at the beginning of production and that the first-in, first-out method of inventory costing is used, the materials and conversion cost per unit (rounded to the nearest cent), respectively, are

a.$5.94 and $5.86

b.$5.94 and $6.38

c.$9.84 and $9.58

d.$8.00 and $8.68