O Part 2 of 4 T A eBook Required information [The following information applies to the questions displayed below.] Select the best answer for each of the following independent multiple-choice questions. b. Department S is the fourth, and final, stage of Service Corporation's production cycle. On March 1, beginning work in process contained 101,000 units, which were 80 percent complete as to conversion costs. During March, 670,000 units were transferred in from the third stage of the production cycle. On March 31, ending work in process contained 78,000 units, which were 35 percent complete as to conversion costs. Materials are added when the units are 50 percent complete with respect to conversion costs. Using the weighted- average method, what are the equivalent units of production for prior department costs, materials, and conversion costs for the month of March, respectively? Multiple Choice JROR OF ORF O Prior Department Costs 771,000; Materials 693,000; Conversion 693,000 Prior Department Costs 610,000; Materials 659,250; Conversion 699,500 Prior Department Costs 771,000; Materials 693,000; Conversion 720,300 Prior Department Costs 771,000; Materials 771,000; Conversion 771,000 None of the options are correct