The following data relates to Process 1. Materials input 1,000 units costing $10,000 Labour costs $8,000 Departmental overheads $6,000 Normal loss is 4% of input and is sold as scrap for $12 per unit. Actual output = 944 units Required: Calculate the average cost per unit in Process 1 and complete the process account, abnormal gains and losses account and the scrap account.