The following information relates to questions 10 and 11:A company operates a process costing system using the FIFO method of valuation. No losses occur in the process. All materials are input at the commencement of the process. Conversion costs are incurred evenly through the process.The following data relate to last period: Units Degree of completionOpening work in progress 2,000 60%Total number of units completed 14,000Closing work in progress 3,000 30% $Costs arising:Materials 51,000Conversion 193,170What was the total number of units input during last period?