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.
Irrelevant Costs. Irrelevant Costs. In managerial accounting, costs over which executives have no control and therefore which cannot be cut to reduce expenses. Examples of irrelevant costs include rent and insurance. Some costs may be irrelevant under some circumstances but relevant under others.