Concept:The materiality concept allows insignificant amounts to be treated as expenses rather than assets.Explanation:Under this concept, small expenditures that would not influence a reader’s decision are not recorded as assets.They are simply charged to the profit and loss account as expenses.This saves time and effort without misleading users of financial statements.The other options, such as business entity, dual aspect, and realization, do not deal with insignificant amounts.Answer:B. materiality