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.
The full cost includes cost of direct materials, direct labor, variable manufacturing overheads and fixed overheads. The absorption costing focuses only on total cost viz. variable and fixed and it is not useful for managers to take decision, plan about future and exercise control.