a) The government has imposed the Standard Operating Procedure (SOP) where all the citizens are compulsory to wear the face mask in the public area. Many sellers start to sell the face mask through the offline platform. The Movement Control Order (MCO) has brought an effect to employment where some of the citizens lost their jobs. Many have started their business by selling it through online platforms. We can see that the face mask sales have increased significantly as there was an increase in demand for face masks from citizens. Discuss the impacts of the above phenomenon on the equilibrium price and quantity in the market.