Which of the following will always cause a reduction in net exports?

If one firm advertises and other firms in the market don't, then ______

A. the demand for the advertised good becomes more elastic B. the profit-maximizing quantity of the advertised good decreases be-cause total fixed costs increase C. the average cost of producing a small quantity of the advertised good rises but the average total cost of producing a large quantity might fall D. the economic profit made from the advertised good increases

At a fair carnival roulette wheel, a player can either win $10, $30, or $80 . If it costs $30 to play, would an individual gain or lose from playing the game?

a. Gain b. Lose c. Breakeven-neither gain nor lose d. None of the above