Under the FIFO method, equivalent units for materials are the sum of units started and completed and ending working work in process. The Molding Department of the Smith Company has the following production data: beginning work in process 20,000 units (60% complete), started in production 340,000 units, completed and transferred out 320,000 units, and ending working process 40,000 units (40% complete). Assume materials are entered at the beginning of the process, the equivalent units under the FIFO method for materials are: X 340,000. 300,000. 320,000. 380,000