EXERCISE 4A-5 Computation of Equivalent Units of Production-FIFO Method LO4-6 MediSecure, Ine., uses the FIFO method in its process costing system. It produces clear plastic containers for pharmacies in a process that starts in the Molding Department. Data concerning that department's operations in the most recent period appear below: Beginning work in process: 500 80% 40% 153,600 153,700 Units in process Completion with respect to materials. . Completion with respect to conversion Units started into production during the month. Units completed and transferred out.... .. Ending work in process: 400 75% Units in process Completion with respect to materials Completion with respect to conversion