Explain the difference between the law of diminishing marginal returns and the law of dininishing marginal rate of techinal substitution.

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.)

Adisadvantage of corporations is that shareholders have to pay on profits.

Indicate whether each of the following companies is primarily a service, merchandise, or manufacturing business. if you are unfamiliar with the company, use the internet to locate the company's home page or use the finance web site of yahoo. 1. alcoa inc. 2. boeing 3. caterpillar 4. citigroup inc. 5. cvs 6. dow chemical company 7. ebay inc. 8. fedex 9. ford motor company 10. gap inc. 11. h& r block 12. hilton hospitality, inc. 13. procter & gamble 14. suntrust 15. walmart stores, inc.