You are told that the four-firm concentration ratio in an industry is 20.
based on this information you can conclude that:

a) each of the top four firms has 20 percent of industry sales.
b) the four largest firms account for a combined 80 percent of the industry
c) sales. the four largest firms account for 20 percent of industry sales.
d) each of the four largest firms accounts for 5 percent of industry sales.

Northington, inc. is preparing the company's statement of cash flows for the fiscal year just ended. using the following information, determine the amount of cash flows from operating activities using the indirect method: net income$182,000gain on the sale of equipment12,300proceeds from the sale of equipment92,300depreciation expense—equipment50,000payment of bonds at maturity100,000purchase of land200,000issuance of common stock300,000increase in merchandise inventory35,400decrease in accounts receivable28,800increase in accounts payable23,700payment of cash dividends32,000 $189,400.$332,200.$236,800.$261,400.$186,800.

The smelting department of kiner company has the following production and cost data for november. production: beginning work in process 3,700 units that are 100% complete as to materials and 23% complete as to conversion costs; units transferred out 10,500 units; and ending work in process 8,100 units that are 100% complete as to materials and 41% complete as to conversion costs. compute the equivalent units of production for (a) materials and (b) conversion costs for the month of november. materials conversion costs total equivalent units

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.