There are a few viewpoints one can take on benefit expansion . In the first place, since ben to income less expense, one can plot graphically every one of the factors income and cost elements of the degree of result and observe the result level that boosts the distinction (or should be possible with a table of values rather than a diagram). Second, assuming explicit structures are known for income and cost as far as result, one can utilize math to boost ber regarding the result level. Third, since the primary request condition for the enhancement