Economics 3) Following the outbreak of Covid19 in early 2020, the Singapore government imposed a partial lockdown called a \"circuit breaker\" to control the spread of the disease. Only essential workers were allowed to attend at workplaces. All other workers and students were required to work from home. The government also prohibited eating in restaurants. Restaurants were only allowed to sell food for take away or delivery. a) Discuss the relations whether complements or substitutes among ride hail, food delivery, and restaurant dining. b) Draw the market demand curves for (i) ride hail and (ii) food delivery. (Hint: You are free to assume any data necessary to draw the demand.) c) Use your figures to explain how the shift to work from home affected the demands for ride hail and food delivery. d) Use your figures to explain how the prohibition against eating in restaurants affected the demands for ride hail and food delivery