Answer all the questions. All are related.

3-1. Answer the following questions by drawing demand-supply diagrams. (a) What happens in the market for CNG auto-rickshaw rides once Uber is here? (b) What happens in the market for sugar with the advent of Ramadan? (c) What happens in the market for potatoes if there is bumper production of potatoes? (d) What happens in the market for Hilsa fish at the time of Pohela Boishakh? (e) What happened in the market for hand sanitizers when the first Covid-19 cases were detected in Bangladesh? (f) What happened in the market for onions in Bangladesh last year when India enforced a ban on onion exports to Bangladesh