3. Categories of expenditures Raphael and Susan Firth live in Swarthmore, PA. Susan's father, Alex, lives in Sweden. For each of the following transactions that occur in their lives, identify whether it is included in the calculation of U. S. GDP as part of consumption (C), investment (I), government purchases (G), exports (X), or imports (M). Check all that apply.

Transaction C I G X M Susan's father in Sweden orders a bottle of Vermont maple syrup from the producer's website.
Raphael's employer upgrades all of its computer systems using U. S.-made parts.
Raphael buys a sweater made in Guatemala.
The state of Pennsylvania repaves highway PA 320, which goes through the center of Swarthmore.
Susan gets a new video camera made in the United States.

You wants to open a saving account.which account will grow his money the most

Suppose that xtel currently is selling at $40 per share. you buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. the rate on the margin loan is 8%. a. what is the percentage increase in the net worth of your brokerage account if the price of xtel immediately changes to (a) $44; (b) $40; (c) $36? (leave no cells blank - be certain to enter "0" wherever required. negative values should be indicated by a minus sign. round your answers to 2 decimal places.) b. if the maintenance margin is 25%, how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.) c. how would your answer to requirement 2 would change if you had financed the initial purchase with only $10,000 of your own money? (round your answer to 2 decimal places.) d. what is the rate of return on your margined position (assuming again that you invest $15,000 of your own money) if xtel is selling after one year at (a) $44; (b) $40; (c) $36? (negative values should be indicated by a minus sign. round your answers to 2 decimal places.) e. continue to assume that a year has passed. how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.)

Which curve shows increasing opportunity cost as you give up more of one option? demand curve bow-shaped curve yield curve indifference curve