need help with question #18, and 19

18.- Which of the following is used in calculating equivalent units of production? 1. ending work in process? 2, beginning work in process! 3. units transferred inf 4. units transferred out: a) 1 and 2 b) 1 and 3 c) 1 and 45 d) 2 and 3 f c) 2 and 4 f f) 3 and 45 19.- In a production cost report, the term 'Total Cost' refers to: 11 a a. Total cost of direct materials and total conversion cost from beginning work in process and materials cost and conversion cost added during the period. b. Total cost of the units transferred out and the total cost (materials and conversion cost) of the units in ending work in process! cAaonlydbonly