The table above shows Mary's utility from chips and soda. Mary receives ________ units of utility from the third chip

Jane is willing to pay $50 for a pair of shoes. The actual price of the shoes is $30. Her consumer surplus on this pair of shoes is

A) $20. B) $50. C) $30. D) $80.

The monopolist that maximizes profit

A) imposes a cost on society because the selling price is above marginal cost. B) imposes a cost on society because the selling price is equal to marginal cost. C) does not impose a cost on society because the selling price is above marginal cost. D) does not impose a cost on society because price is equal to marginal cost.