Create a table that compares and contrasts the various elements of the four market structures. Format of the table should be:
a) perfect competition
b) monopoly
c) monopolistic competition
d) oligopoly and then use the following heading to help explain the basis for the market characterization
a) example of a firm
b) goods or services produced by the firm
c) barriers to entity
d) numbers of firms
e) price elasticity of demand
f) economic profits (is there a presence or profit yes or no)