Bachelet Incorporated uses the weighted$-$average method in its process costing system. The following data concern the operations of the company's first processing department for a recent month.

Required:

Using the weighted$-$average method:

a$.$ Determine the equivalent units of production for materials and conversion costs.

b$.$ Determine the cost per equivalent unit for materials and conversion costs.

c$.$ Determine the cost of units transferred out of the department during the month.

d$.$ Determine the cost of ending work in process inventory in the department.