Using demand and supply analysis, discuss the general factors affecting the demand and supply for tuna in Malaysia. Using demand and supply graphs, explain what would happen to the demand or supply of tuna in Malaysia in each of the cases below stating any assumptions that you would have made based on the statements below. In March 2011, the tsunami in Japan killed around 15,000 people causing damages and losses in hundreds and billions USD. It was reported that Japan's fishing, aquaculture (tuna and salmon), food processing factories and cold storage areas had been badly affected.