Elephantiasis is a symptom of a variety of diseases, where parts of a person's body swell to massive proportions. Elephantiasis tropica or lymphatic filariasis, caused by a number of parasitic worms, particularly Wuchereria bancrofti. More than 120 million people, mostly in Africa and Southeast Asia, are affected.
The relevant range of operations is the normal or average scope of business activities. In the other words, the relevant range of operations is the average volume of sales and production that a business experiences outside of extreme economic prosperity and depression.
1 Opportunity costs: It is the value of benefit sacrificed in favor of an alternative course of action. 2  Relevant cost: The relevant cost is a cost which is relevant in various decisions of management.  Replacement cost: This cost is the cost at which existing items of material or fixed assets can be replaced.