Suppose that the weekly profit, in dollars, of producing and selling x cars is p (x) = negative 0.007 x cubed - 0.2 x ^2 + 1000 x - 1100,and currently 60 cars are produced and sold weekly. use p (60) and the marginal profit to estimate the weekly profit of producing and selling 62 cars. round to the nearest dollar.

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.)

Gulliver travel agencies thinks interest rates in europe are low. the firm borrows euros at 5 percent for one year. during this time period the dollar falls 11 percent against the euro. what is the effective interest rate on the loan for one year? (consider the 11 percent fall in the value of the dollar as well as the interest payment.)

Mno corporation uses a job-order costing system with a predetermined overhead rate based on direct labor-hours. the company based its predetermined overhead rate for the current year on the following data: total estimated direct labor-hours 50,000 total estimated fixed manufacturing overhead cost $ 285,000 estimated variable manufacturing overhead per direct labor-hour $ 3.80 recently, job p123 was completed with the following characteristics: total actual direct labor-hours 20 direct materials $ 710 direct labor cost $ 500 the amount of overhead applied to job p123 is closest to: