The difference between a Euroloan interest rate and Eurodeposit interest rate is called

If an external benefit is present, then the

A) marginal private benefit curve lies above the marginal private cost curve. B) marginal social benefit curve lies above the marginal private benefit curve. C) marginal social cost curve lies above the marginal private benefit curve. D) marginal social benefit is equal to the marginal social cost. E) marginal social benefit curve is the same as the marginal private benefit curve.

You are at an all-you-can-eat-buffet. You feel almost full. However they just brought out your favorite dessert and you can either choose to eat that or a helping of tapioca pudding. If you choose the cupcakes, the pudding would be your

a. Opportunity cost b. Variable cost c. Fixed cost d. Sunk cost