The Burning Dept of Molding Ltd has the following production data: Beginning work in process 500 units that are 100% complete as to materials and 20% complete as to conversion costs; units transferred out 841 units; and ending work in process 554 units that are 100% complete as to materials and 45% complete as to conversion costs. What is the equivalent units of production for materials? Select one: a. 1090 equivalent units b. 1690 equivalent units c. 1895 equivalent units d. 1395 equivalent units