5) Mannassass Company manufactures chairs. The following information was given for the company; -- Units, beginning work in process --Units started 20,000 -- Units completed -- Units, ending work in process 5,000 --Cost of direct materials $ 440,000 --Cost of conversion $ 64,000 Materials in the ending inventory were 100% complete and conversion in the ending inventory was 20% complete. What are the equivalent units for materials and conversion respectively? a) 20,000; 20,000 b) 20,000; 16,000 c) 15,000; 15,000. d) 15,000; 14,000