20. In the market for fish there are four suppliers. If the price is R50 per fish, Mark's fisheries will supply 160 fishes. If the price is R50, Sea Harvest will not produce any fish, but it will produce 230 fishes if the price is R60 per fish. The Hick's fisheries will produce 400 fishes for a price of R50 and Sardine Runners will produce 60 fishes if the price is R50 per fish. What is the market supply of fish

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
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Chapter1: Making Economics Decisions
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20. In the market for fish there are four suppliers. If the price is R50 per fish, Mark's fisheries will
supply 160 fishes. If the price is R50, Sea Harvest will not produce any fish, but it will produce 230
fishes if the price is R60 per fish. The Hick's fisheries will produce 400 fishes for a price of R50 and
Sardine Runners will produce 60 fishes if the price is R50 per fish. What is the market supply of fish
at a price of R50 per fish?
a)
160
b)
400
c)
620
d)
850
21. Given the two equations below, which one of the following indicates equilibrium price and
quantity?
Q = 100 -3P
Qs = 50 + 2P
a)
Price = 30, quantity = 70
b)
Price = 3, qunatity = 100
c)
Price = 10, quantity = 70
d)
Price = 5, qunatity = 50
22. If products A and B are substitutes, products B and C are complements and the markets for
product A and C are unrelated, which one of the following statements regarding the markets for
product A, B, and C is true?
a)
A decrease in the price of product A will result in an increase in the demand for product B
b)
A decrease in the price of product A will result in an increase in the demand for product C
c)
An increase in the price of product B will result in an increase in the demand for product C
d)
An increase in the price of product B will result in increase in the demand for product A
Transcribed Image Text:20. In the market for fish there are four suppliers. If the price is R50 per fish, Mark's fisheries will supply 160 fishes. If the price is R50, Sea Harvest will not produce any fish, but it will produce 230 fishes if the price is R60 per fish. The Hick's fisheries will produce 400 fishes for a price of R50 and Sardine Runners will produce 60 fishes if the price is R50 per fish. What is the market supply of fish at a price of R50 per fish? a) 160 b) 400 c) 620 d) 850 21. Given the two equations below, which one of the following indicates equilibrium price and quantity? Q = 100 -3P Qs = 50 + 2P a) Price = 30, quantity = 70 b) Price = 3, qunatity = 100 c) Price = 10, quantity = 70 d) Price = 5, qunatity = 50 22. If products A and B are substitutes, products B and C are complements and the markets for product A and C are unrelated, which one of the following statements regarding the markets for product A, B, and C is true? a) A decrease in the price of product A will result in an increase in the demand for product B b) A decrease in the price of product A will result in an increase in the demand for product C c) An increase in the price of product B will result in an increase in the demand for product C d) An increase in the price of product B will result in increase in the demand for product A
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