The Republic of Ghana, lies within latitude 4o 44' N and 11o11' N and 3o 11' W and 1o11' E. Ghana is bordered by the Republic of Togo to the east, Burkina Faso (formerly Upper Volta) to the north-west and north, and the Republic of Cte d'Ivoire to the west. The Gulf of Guinea, which is part of the Atlantic Ocean lies south of the country, and it forms a 550km-long coastline. The Volta River basin, including the artificially created Lake Volta, dominates the country's drainage system. About 136,000 km2 of land, covering approximately 57 % of the country's total land area of 238,539 km2 is classified as "agricultural land area" out of which 58,000 km2 (24.4 %) is under cultivation and 11,000 hectares under irrigation. Ghana's farming systems vary with agro-ecological zones. However, certain general features are discernible throughout the country. The bush fallow system prevails wherever there is ample land to permit a plot to be rested enough to recoup its fertility, after one to three years' cultivation. Staple crops are often mixed-cropped while cash crops are usually monocropped. In the forest zone, tree crops are significant with cocoa, oil palm, coffee and rubber being of particular importance. The food crops in this area are mainly inter-cropped mixtures of maize, plantain, cocoyam and cassava. The middle belt is characterized by mixed or sole cropping of maize, legumes, cocoyam or yam, with tobacco and cotton being the predominant cash crops. Cotton and tobacco are also important in the northern sector, where the food crops are mainly sorghum, maize, millet, cowpeas, groundnuts and yam. Rice is important in all the zones. Domestic livestock meat production is low, and amounted to over 66,283 metric tons in the year 2015. of which beef contributed about 30 % Domestic milk production is estimated at 13,700 metric tons for the same period. Both the meat and milk production represent about 30% of the national animal protein requirements. The country depends on imports of livestock, meat and milk to meet the animal protein shortfall. However, in recent times, prolonged drought led to the loss of livestock which affected the supply of beef. Consequently, consumers swiftly switched their demand to the consumption pork. REQUIRED: 1)a) How would you illustrate this change in the beef market in supply-and-demand terms as well as the increase in demand for pork in two separate diagrams? b) State the relationship between beef and pork in the case study and explain how an increase in the price of beef affects the demand of pork as illustrated in your diagrams.