In monopolistically competitive markets, positive economic profits
a. suggest that some existing firms will exit the market.
b. suggest that new firms will enter the market.
c. are sustained through government-imposed barriers to entry.
d. are never possible.

1. all other things equal, according to the law of demand, when the price of a good falls, the demand for the good falls the demand for the good rises the quantity demanded of the good falls the quantity demanded of the good rises 2. when a market is in equilibrium, the quantity of the good that buyers are willing and able to buy exactly equals the quantity that sellers are willing and able to sell cannot be determined is less than the quantity that sellers are willing and able to sell is greater than the quantity that sellers are willing and able to sell 3. which of the following factors does not influence the demand for a good or service? consumer (buyer) income the price of related goods the number of sellers buyer expectations 4. when the number of sellers in a market increases, demand rises supply rises the price rises, all else equal the number of buyers falls

M. cotteleer electronics supplies microcomputer circuitry to a company that incorporates microprocessors into refrigerators and other home appliances. one of the components has an annual demand of 235 units, and this is constant throughout the year. carrying cost is estimated to be $1.25 per unit per year, and the ordering (setup) cost is $21 per order. a) to minimize cost, how many units should be ordered each time an order is placed? b) how many orders per year are needed with the optimal policy? c) what is the average inventory if costs are minimized? d) suppose that the ordering cost is not $21, and cotteleer has been ordering 125 units each time an order is placed. for this order policy (of q = 125) to be optimal, determine what the ordering cost would have to be.

The fiscal 2016 financial statements of nike inc. shows average net operating assets (noa) of $8,450 million, average net nonoperating obligations (nno) of $(4,033) million, average total liabilities of $9,014 million, and average equity of $12,483 million. the company's 2016 financial leverage (flev) is: select one: a. (0.477) b. (0.559 c. (0.323) d. (0.447) e. there is not enough information to determine the ratio.