Valley Manufacturing Corporation's beginning work in process inventory consisted of 18,000 units, 100% complete with respect to materials cost and 40% complete with respect to conversion costs. The total cost in the beginning inventory was $46,000. During the month, 66,000 units were transferred out. The equivalent unit cost was computed to be $2.6 for materials and $3.7 for conversion costs under the weighted-average method. Given this information, the total cost of the units completed and transferred out was: $415,800 $404,880 $318,120 $358,080