The channels through which monetary policy affects economic activity are called the ________ of monetary policy

Your weekly budget for gasoline and movie rentals is $45.00. Referring to the figure above, what is the price per gallon of gasoline?

A) $1.00 B) $1.25 C) $1.50 D) $1.75

Along a bowed-out production possibilities frontier, as more of one good is produced,

a. the opportunity cost of producing that good remains constant b. the opportunity cost of producing that good decreases c. efficiency decreases d. the opportunity cost of producing both goods must remain constant e. technology remains constant