If I trade a ginger snap for a chocolate chip cookie, I am engaging in

When the nominal interest rate falls, the opportunity cost of holding money

A) decreases and there is a movement downward along the demand for money curve. B) increases and there is a movement upward along the demand for money curve. C) decreases and the demand for money curve shifts rightward. D) increases and the demand for money curve shifts rightward. E) decreases and the demand for money curve shifts leftward.

Define marginal cost and calculate Brazil's marginal cost of producing a ton of food when the quantity produced is 2.5 tons per day

What will be an ideal response?