The marginal product of labor is the: Group of answer choices change in labor necessary to produce an additional unit of output. change in output resulting from adding an additional unit of labor. cost of additional labor necessary to produce an additional unit of output. change in revenue resulting from adding an additional unit of labor.

Brody corp. uses a process costing system in which direct materials are added at the beginning of the process and conversion costs are incurred uniformly throughout the process. beginning inventory for january consisted of 1,050 units that were 65% completed. 10,900 units were started into the process during january. on january 31, the inventory consisted of 500 units that were 50% completed. what would be the equivalent units for direct materials cost using the weighted average method?