The incubation period averages 8-12 hours, after which diarrhea and abdominal cramps begin. C. perfringens symptoms usually persist for one day. A severe complication, necrotic enteritis (also known as pig-bel syndrome), can develop if large numbers of bacteria are ingested.
Variable costing is a costing system under which those costs of production that vary with output are treated as product costs. This would usually include direct materials, direct labor and variable portion of manufacturing overhead. Fixed manufacturing cost is not treated as a product costs under variable costing.
Absorption Costing Disadvantages and Advantages. In contrast to the variable costing method, absorption costing may provide a fuller picture of a productâs cost by including fixed manufacturing overhead costs. A proponent of this method would argue that it is most effective because, simply enough, all the possible costs are included.