Costs of abnormal spoilage are NOT considered to be inventoriable costs and are written off as costs of the accounting period in which the abnormal spoilage is detected True Falso The main difference between process costing and job costing is the extent of averaging used to compute unit costs. True False If the rework is considered abnormal, the costs of the rework are charged to a 'Loss from Abnormal Rework' account. True O False