A) Which commodity witnessed the largest and which the smallest price reduction from the mid-1990s to 1999. (1 mark) 3) Using a supply curve diagram, illustrate and explain the effect on the supply of oil and of oil producers withholding oil sales. (4 marks) C) Using a diagram, illustrate and explain the effect on the demand for sugar due to a fear of a future shortage of sugar. (4 marks) ) Why is the supply of commodities so volatile? (1 mark) [) If there is a fall in the price of commodities, would the effect on the supply of commodities be greater in the short run or long run