If a price-searcher firm can sell nine units at a price of $6, or it can sell ten units at a price of $5.75, what is the marginal revenue of the tenth unit?

Which of the following statements is FALSE?

A) Both monetary and interest rate targets cannot be pursued simultaneously. B) A reduction in the required reserve ratio increases the money supply and pushes down the equilibrium interest rate. C) An open market sale decreases the money supply and pushes up the equilibrium interest rate. D) An open market purchase reduces the money supply and pushes down the equilibrium interest rate.

Marginal land can be defined as land that earns neither profits nor losses

a. True b. False Indicate whether the statement is true or false