Which of the following is an example of implicit collusion?

If the velocity of money is constant, then a 2% increase in the money supply

A) must be the result of a 2% increase in the price level. B) would change nominal GDP by a smaller percentage. C) would change nominal GDP by an equal percentage. D) would change nominal GDP by a larger percentage.

Suppose the price of eggs decreases from $2 per egg to $1.50 per egg. Due to this decrease in price, the ____ will increase

a. producer surplus b. consumer surplus c. opportunity cost of producing an egg d. social marginal cost