The Matsui Lubricants plant uses the weighted-average method to account for its work- in-process inventories. The accounting records show the following information for a particular day: Beginning WIP inventory Direct materials $ 1,926 Conversion costs 498 Current period costs Direct materials 23,120 Conversion costs 12,770 Quantity information is obtained from the manufacturing records and includes the following: Beginning inventory Current period units started Ending inventory 580 units (70% complete as to materials, 58% complete as to conversion) 3,600 units 1,400 units (40% complete as to materials, 10% complete as to conversion)