Which of the following statement is true regarding job costing and process costing? Multiple Choice If a firm manufactures 5,000 tennis balls that are 60% complete in the production process, the equivalent units would be 3,000 tennis balls. The weighted average cost method is used in job costing to calculate unit product cost. Only material costs will be added in the first processing department and labour and overhead costs will be added in subsequent departments in process costing. Job costing involves manufacturing a single, homogeneous (identical) product throughout a continuous flow production process. The job cost sheet is the key document controlling the accumulation of costs in process costing