Alchemy manufacturing produces a pesticide chemical and uses process costing. there are three processing departmentslong dash—mixing, refining, and packaging. on january 1, the first departmentlong dash—mixinglong dash—had no beginning inventory. during january, 56,000 fl. oz. of chemicals were started in production. of these, 30,000 fl. oz. were completed and 26,000 fl. oz. remained in process. in the mixing department, all direct materials are added at the beginning of the production process, and conversion costs are applied evenly throughout the process. the weighted-average method is used. at the end of the month, alchemy calculated equivalent units. the ending inventory in the mixing department was 75% complete with respect to conversion costs. with respect to direct materials, what is the number of equivalent units in the ending inventory? a.19,500 equivalent unitsb.30,000 equivalent unitsc.26,000 equivalent unitsd.56,000 equivalent units