How to written the question A,B,C ?

Tutorial Assignment 1 To most people in Hong Kong, fast food is regarded as junk food. The following news relate to the fast food market in Hong Kong have been reported recently. Source A Source B A recent government report has shown the Many fast food restaurants closed down in Hong average monthly salary of Hong Kong people Kong this year. increases from HK$18,000 to HK$20,000. (a) Consider the information of source A only, use a demand and supply analysis to explain the effects on the equilibrium price and equilibrium quantity of the fast food market in Hong Kong. No demand-and-supply diagram is needed but you need to describe how the curve(s) shifts in your written explanation. (b) Consider the information of source B only, use a demand and supply analysis to explain the effects on the equilibrium price and equilibrium quantity of the fast food market in Hong Kong. No demand-and-supply diagram is needed but you need to describe how the curve(s) shifts in your written explanation. (c) To consider both the effects in part (a) and (b) above, what are the combined effects on the equilibrium price and equilibrium quantity of the fast food market in Hong Kong? Why does the fast food market in Hong Kong have the observation of decreased price based on the two pieces of information? Illustrate with a demand and supply diagram