Domingo Corporation uses the weighted average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 1,300 units. The costs and percentage completion of these units in beginning inventory were: Percent Cost Complete Materials costs $6,400 50% Conversion costs $ 2,600 20% A total of 7,700 units were started and 7,000 units were transferred to the second processing department during the month. The following costs were incurred in the first processing department during the month: Cost Materials costs $ 159,600 Conversion costs $121,300 The ending inventory was 85% complete with respect to materials and 75% complete with respect to conversion costs. The cost per equivalent unit for materials for the month in the first processing department is closest to: Multiple Choice $16.91 $17.68 $19.08 $17.43