Which of the following conditions would result in the short run marginal cost curve not correctly reflecting the supply behavior of a profit-maximizing firm?

When a U.S. firm sells a good abroad for, say, 100 euros (assume $1.5=1euro), U.S. net exports increase by $150. These $150 in exports can be accounted for as $150 increase in capital outflow because ________

A) private consumption in the foreign country increases by $150 B) if the U.S. firm uses the 100 euros to buy a share of stock in a foreign firm, the firm is supplying U.S. capital to that foreign firm C) if the U.S. firm uses the proceeds to buy a U.S. bond, capital investment in the foreign country has increased D) all of the above E) none of the above

When increased demand raises the price of the product, the

A) marginal revenue product will also increase. B) marginal revenue product will fall. C) marginal revenue product will remain unchanged. D) sales will fall.