True/False

85. When there are differences between estimates and actual amounts, one outcome is under or over applied overhead. 86. Job costing provides a cost estimate for individual jobs while process costing provides an average cost estimate for an individual unit of product 87. Process costing makes assumptions about exactly when and how costs are incurred during the production process. 88. Mismeasurement of inputs into the costing system is likely to be lower in companies that have just commenced operations. 89. Percentage of completion for work in process units is subject to judgement. 90. If the percentage of completion is over estimated in ending work in process this will affect the cost per equivalent unit for this period and next period. 68. All spoilage in a process costing system is considered normal spoilage. 69The costs associated with abnormal spoilage is excluded from product costs and treated as a separate loss