An obligation to purchase a specific amount of currency at a specific exchange rate at a future point in time is called a:

For price discrimination to work ________

A) the market must be segmentable and the segments must show similar intensities of demand B) members in the lower-price segment must be able to resell the product to the higher-price segment C) competitors must be able to undersell the firm in the higher-price segment D) the practice must not breed customer resentment and ill will E) the extra revenue derived from price discrimination must not exceed the cost of segmenting and policing the market

Which of the following, if true, most clearly weakens Karola's point of view?

A) People who use discount brokers often purchase stocks, which carry a greater risk than bonds or money market instruments. B) The department manager for whom the two work recently made several thousand dollars on an investment made through E-Trade. C) Between work and family commitments, neither Karola nor Larisa has much discretionary time to research or track investments on their own. D) Merrill Lynch, like most full-service brokers, typically charges $50 to $200 per trade. E) A colleague has purchased investments through a full-service broker and says that these trades were good ones in the long term.