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.
Variable manufacturing costs was $20 per unit produced. Variable operating cost was $10 per unit Variable vs. Absorption Costing Problems sold. Planned and actual fixed manufacturing costs were $600,000. Planned and actual fixed operating costs totaled $400,000 in 2004.