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

(4 Marks)

at a price of R50 per fish?