With governments becoming more complex, not only specialization but developed.

Social classes.

Specialization is a process by which a certain group of people dedicate their time to only one craft. This was possible in large settlements that produce a constant surplus of food. With this change, groups of farmers, blacksmiths, merchants, etc., were able to specialize in these specific areas.

As jobs were divided, social classes arose as well. Social class refers to a model of social stratification in which people are ranked in a hierarchy of social categories.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

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