Ajewelry firm buys semiprecious stones to make bracelets and rings. the supplier quotes a price of $8.10 per stone for quantities of 600 stones or more, $8.50 per stone for orders of 400 to 599 stones, and $9.00 per stone for lesser quantities. the jewelry firm operates 110 days per year. usage rate is 28 stones per day, and ordering costs are $48.
a. if carrying costs are $2 per year for each stone, find the order quantity that will minimize total annual cost. (do not round intermediate calculations. round your final answer to the nearest whole number.)
b. if annual carrying costs are 30 percent of unit cost, what is the optimal order size? (do not round intermediate calculations. round your final answer to the nearest whole number.)
c. if lead time is 3 working days, at what point should the company reorder? (do not round intermediate calculations. round your final answer to the nearest whole number.)

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.)

1. is the act of declaring a drivers license void and terminated when it is determined that the license was issued through error or fraud.

Ineed this asap miguel's boss asks him to distribute information to the entire staff about a mandatory meeting. in 1–2 sentences, describe what miguel should do.