180 280 380
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 Polaris O Ring UWF QD 180 280 380 65 165 Part 6 505 00  US $2.00
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 Polaris 180 280 360 380 MaxTrax White Tire C10 US $7.99
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 Polaris A20 Head Float A 20 180 280 360 380 Cleaner US $7.49
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 Polaris Vac Sweep A20 Replacement Head Float 360 180 280 380 3900 480 New Pump US $14.94
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 POLARIS BOOSTER PUMP FOR PRESSURE POOL CLEANERS PB460 3 4 HP OEM 180 280 380 480 US $279.00
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Which is an illustration of the Law of Diminishing Marginal Returns?
Answer
A.Total Benefits: 200 380 540 680 800 900
B.Marginal Benefits: Q/20
C.Total Costs: 100 180 240 280 300
D.Marginal Costs: 9 7 5 3 1
E.All of the above.
The answer is A.Marginal return=180,160,140,120,100.
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