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.
Absorption costing is a costing system which treats all costs of production as product costs, regardless weather they are variable or fixed. The cost of a unit of product under absorption costing method consists of direct materials, direct labor and both variable and fixed overhead.
Distinguish between marginal costing and absorption costing :-   Marginal costing-definition :-Marginal costing distinguishes between fixed costs and variable costs as â¦ convention ally classified.   The marginal cost of a product - is its variable cost.