A firm's short-run cost function is C(q)= 200q-6q^2+0.3q^3+400. Determine the fixed cost, F; the average variable cost, AVC; the average cost, AC; the marginal cost, MC; and the average fixed cost, AFC.

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.

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."

Why does the downward-sloping production possibilities curve imply that factors of production are scarce?